forked from osmocom/wireshark
4295 lines
212 KiB
C
4295 lines
212 KiB
C
/* packet-ISUP.c
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* Routines for ISUP dissection
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* Copyright 2001, Martina Obermeier <martina.obermeier@icn.siemens.de>
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*
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* $Id: packet-isup.c,v 1.4 2001/06/18 02:17:48 guy Exp $
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*
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* Ethereal - Network traffic analyzer
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* By Gerald Combs <gerald@ethereal.com>
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* Copyright 1998 Gerald Combs
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*
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* Copied from README.developer
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#ifdef HAVE_SYS_TYPES_H
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# include <sys/types.h>
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#endif
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#ifdef HAVE_NETINET_IN_H
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# include <netinet/in.h>
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#endif
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#include <glib.h>
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#ifdef NEED_SNPRINTF_H
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# include "snprintf.h"
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#endif
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#include "packet.h"
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#include "packet-ip.h"
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#define MTP3_ISUP_SERVICE_INDICATOR 5
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#define ASCII_NUMBER_DELTA 0x30
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#define ASCII_LETTER_DELTA 0x37
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/* Definition of protocol field values und lengths */
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/* Definition of Message Types */
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#define MESSAGE_TYPE_INITIAL_ADDR 1
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#define MESSAGE_TYPE_SUBSEQ_ADDR 2
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#define MESSAGE_TYPE_INFO_REQ 3
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#define MESSAGE_TYPE_INFO 4
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#define MESSAGE_TYPE_CONTINUITY 5
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#define MESSAGE_TYPE_ADDR_CMPL 6
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#define MESSAGE_TYPE_CONNECT 7
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#define MESSAGE_TYPE_FORW_TRANS 8
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#define MESSAGE_TYPE_ANSWER 9
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#define MESSAGE_TYPE_RELEASE 12
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#define MESSAGE_TYPE_SUSPEND 13
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#define MESSAGE_TYPE_RESUME 14
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#define MESSAGE_TYPE_REL_CMPL 16
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#define MESSAGE_TYPE_CONT_CHECK_REQ 17
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#define MESSAGE_TYPE_RESET_CIRCUIT 18
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#define MESSAGE_TYPE_BLOCKING 19
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#define MESSAGE_TYPE_UNBLOCKING 20
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#define MESSAGE_TYPE_BLOCK_ACK 21
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#define MESSAGE_TYPE_UNBLOCK_ACK 22
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#define MESSAGE_TYPE_CIRC_GRP_RST 23
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#define MESSAGE_TYPE_CIRC_GRP_BLCK 24
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#define MESSAGE_TYPE_CIRC_GRP_UNBL 25
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#define MESSAGE_TYPE_CIRC_GRP_BL_ACK 26
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#define MESSAGE_TYPE_CIRC_GRP_UNBL_ACK 27
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#define MESSAGE_TYPE_FACILITY_REQ 31
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#define MESSAGE_TYPE_FACILITY_ACC 32
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#define MESSAGE_TYPE_FACILITY_REJ 33
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#define MESSAGE_TYPE_LOOP_BACK_ACK 36
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#define MESSAGE_TYPE_PASS_ALONG 40
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#define MESSAGE_TYPE_CIRC_GRP_RST_ACK 41
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#define MESSAGE_TYPE_CIRC_GRP_QRY 42
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#define MESSAGE_TYPE_CIRC_GRP_QRY_RSP 43
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#define MESSAGE_TYPE_CALL_PROGRSS 44
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#define MESSAGE_TYPE_USER2USER_INFO 45
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#define MESSAGE_TYPE_UNEQUIPPED_CIC 46
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#define MESSAGE_TYPE_CONFUSION 47
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#define MESSAGE_TYPE_OVERLOAD 48
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#define MESSAGE_TYPE_CHARGE_INFO 49
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#define MESSAGE_TYPE_NETW_RESRC_MGMT 50
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#define MESSAGE_TYPE_FACILITY 51
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#define MESSAGE_TYPE_USER_PART_TEST 52
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#define MESSAGE_TYPE_USER_PART_AVAIL 53
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#define MESSAGE_TYPE_IDENT_REQ 54
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#define MESSAGE_TYPE_IDENT_RSP 55
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#define MESSAGE_TYPE_SEGMENTATION 56
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#define MESSAGE_TYPE_LOOP_PREVENTION 64
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static const value_string isup_message_type_value[] = {
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{ MESSAGE_TYPE_INITIAL_ADDR, "Initial address"},
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{ MESSAGE_TYPE_SUBSEQ_ADDR, "Subsequent address"},
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{ MESSAGE_TYPE_INFO_REQ, "Information request (national use)"},
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{ MESSAGE_TYPE_INFO, "Information (national use)"},
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{ MESSAGE_TYPE_CONTINUITY, "Continuity"},
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{ MESSAGE_TYPE_ADDR_CMPL, "Address complete"},
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{ MESSAGE_TYPE_CONNECT, "Connect"},
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{ MESSAGE_TYPE_FORW_TRANS, "Forward transfer"},
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{ MESSAGE_TYPE_ANSWER, "Answer"},
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{ MESSAGE_TYPE_RELEASE, "Release"},
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{ MESSAGE_TYPE_SUSPEND, "Suspend"},
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{ MESSAGE_TYPE_RESUME, "Resume"},
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{ MESSAGE_TYPE_REL_CMPL, "Release complete"},
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{ MESSAGE_TYPE_CONT_CHECK_REQ, "Continuity check request"},
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{ MESSAGE_TYPE_RESET_CIRCUIT, "Reset Circuit"},
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{ MESSAGE_TYPE_BLOCKING, "Blocking"},
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{ MESSAGE_TYPE_UNBLOCKING, "Unblocking"},
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{ MESSAGE_TYPE_BLOCK_ACK, "Blocking acknowledgement"},
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{ MESSAGE_TYPE_UNBLOCK_ACK, "Unblocking acknowledgment"},
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{ MESSAGE_TYPE_CIRC_GRP_RST, "Circuit group reset"},
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{ MESSAGE_TYPE_CIRC_GRP_BLCK, "Circuit group blocking"},
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{ MESSAGE_TYPE_CIRC_GRP_UNBL, "Circuit group unblocking"},
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{ MESSAGE_TYPE_CIRC_GRP_BL_ACK, "Circuit group blocking acknowledgement"},
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{ MESSAGE_TYPE_CIRC_GRP_UNBL_ACK, "Circuit group unblocking acknowledgement"},
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{ MESSAGE_TYPE_FACILITY_REQ, "Facility request"},
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{ MESSAGE_TYPE_FACILITY_ACC, "Facility accepted"},
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{ MESSAGE_TYPE_FACILITY_REJ, "Facility reject"},
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{ MESSAGE_TYPE_LOOP_BACK_ACK, "Loop back acknowledgement (national use)"},
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{ MESSAGE_TYPE_PASS_ALONG, "Pass-along (national use)"},
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{ MESSAGE_TYPE_CIRC_GRP_RST_ACK, "Circuit group reset acknowledgement"},
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{ MESSAGE_TYPE_CIRC_GRP_QRY, "Circuit group query (national use)"},
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{ MESSAGE_TYPE_CIRC_GRP_QRY_RSP, "Circuit group query response (national use)"},
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{ MESSAGE_TYPE_CALL_PROGRSS, "Call progress"},
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{ MESSAGE_TYPE_USER2USER_INFO, "User-to-user information"},
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{ MESSAGE_TYPE_UNEQUIPPED_CIC, "Unequipped CIC (national use)"},
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{ MESSAGE_TYPE_CONFUSION, "Confusion"},
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{ MESSAGE_TYPE_OVERLOAD, "Overload (national use)"},
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{ MESSAGE_TYPE_CHARGE_INFO, "Charge information (national use)"},
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{ MESSAGE_TYPE_NETW_RESRC_MGMT, "Network resource management"},
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{ MESSAGE_TYPE_FACILITY, "Facility"},
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{ MESSAGE_TYPE_USER_PART_TEST, "User part test"},
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{ MESSAGE_TYPE_USER_PART_AVAIL, "User part available"},
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{ MESSAGE_TYPE_IDENT_REQ, "Identification request"},
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{ MESSAGE_TYPE_IDENT_RSP, "Identification response"},
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{ MESSAGE_TYPE_SEGMENTATION, "Segmentation"},
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{ MESSAGE_TYPE_LOOP_PREVENTION, "Loop prevention"},
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{ 0, NULL}};
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/* Definition of Parameter Types */
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#define PARAM_TYPE_END_OF_OPT_PARAMS 0
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#define PARAM_TYPE_CALL_REF 1
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#define PARAM_TYPE_TRANSM_MEDIUM_REQU 2
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#define PARAM_TYPE_ACC_TRANSP 3
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#define PARAM_TYPE_CALLED_PARTY_NR 4
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#define PARAM_TYPE_SUBSQT_NR 5
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#define PARAM_TYPE_NATURE_OF_CONN_IND 6
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#define PARAM_TYPE_FORW_CALL_IND 7
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#define PARAM_TYPE_OPT_FORW_CALL_IND 8
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#define PARAM_TYPE_CALLING_PRTY_CATEG 9
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#define PARAM_TYPE_CALLING_PARTY_NR 10
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#define PARAM_TYPE_REDIRECTING_NR 11
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#define PARAM_TYPE_REDIRECTION_NR 12
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#define PARAM_TYPE_CONNECTION_REQ 13
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#define PARAM_TYPE_INFO_REQ_IND 14
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#define PARAM_TYPE_INFO_IND 15
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#define PARAM_TYPE_CONTINUITY_IND 16
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#define PARAM_TYPE_BACKW_CALL_IND 17
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#define PARAM_TYPE_CAUSE_INDICATORS 18
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#define PARAM_TYPE_REDIRECTION_INFO 19
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#define PARAM_TYPE_CIRC_GRP_SV_MSG_TYPE 21
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#define PARAM_TYPE_RANGE_AND_STATUS 22
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#define PARAM_TYPE_FACILITY_IND 24
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#define PARAM_TYPE_CLSD_USR_GRP_ILOCK_CD 26
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#define PARAM_TYPE_USER_SERVICE_INFO 29
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#define PARAM_TYPE_SIGNALLING_POINT_CODE 30
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#define PARAM_TYPE_USER_TO_USER_INFO 32
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#define PARAM_TYPE_CONNECTED_NR 33
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#define PARAM_TYPE_SUSP_RESUME_IND 34
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#define PARAM_TYPE_TRANSIT_NETW_SELECT 35
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#define PARAM_TYPE_EVENT_INFO 36
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#define PARAM_TYPE_CIRC_ASSIGN_MAP 37
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#define PARAM_TYPE_CIRC_STATE_IND 38
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#define PARAM_TYPE_AUTO_CONG_LEVEL 39
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#define PARAM_TYPE_ORIG_CALLED_NR 40
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#define PARAM_TYPE_OPT_BACKW_CALL_IND 41
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#define PARAM_TYPE_USER_TO_USER_IND 42
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#define PARAM_TYPE_ORIG_ISC_POINT_CODE 43
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#define PARAM_TYPE_GENERIC_NOTIF_IND 44
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#define PARAM_TYPE_CALL_HIST_INFO 45
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#define PARAM_TYPE_ACC_DELIV_INFO 46
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#define PARAM_TYPE_NETW_SPECIFIC_FACLTY 47
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#define PARAM_TYPE_USER_SERVICE_INFO_PR 48
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#define PARAM_TYPE_PROPAG_DELAY_COUNTER 49
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#define PARAM_TYPE_REMOTE_OPERATIONS 50
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#define PARAM_TYPE_SERVICE_ACTIVATION 51
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#define PARAM_TYPE_USER_TELESERV_INFO 52
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#define PARAM_TYPE_TRANSM_MEDIUM_USED 53
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#define PARAM_TYPE_CALL_DIV_INFO 54
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#define PARAM_TYPE_ECHO_CTRL_INFO 55
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#define PARAM_TYPE_MSG_COMPAT_INFO 56
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#define PARAM_TYPE_PARAM_COMPAT_INFO 57
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#define PARAM_TYPE_MLPP_PRECEDENCE 58
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#define PARAM_TYPE_MCID_REQ_IND 59
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#define PARAM_TYPE_MCID_RSP_IND 60
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#define PARAM_TYPE_HOP_COUNTER 61
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#define PARAM_TYPE_TRANSM_MEDIUM_RQUR_PR 62
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#define PARAM_TYPE_LOCATION_NR 63
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#define PARAM_TYPE_REDIR_NR_RSTRCT 64
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#define PARAM_TYPE_CALL_TRANS_REF 67
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#define PARAM_TYPE_LOOP_PREV_IND 68
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#define PARAM_TYPE_CALL_TRANS_NR 69
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#define PARAM_TYPE_CCSS 75
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#define PARAM_TYPE_FORW_GVNS 76
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#define PARAM_TYPE_BACKW_GVNS 77
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#define PARAM_TYPE_REDIRECT_CAPAB 78
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#define PARAM_TYPE_NETW_MGMT_CTRL 91
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#define PARAM_TYPE_CORRELATION_ID 101
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#define PARAM_TYPE_SCF_ID 102
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#define PARAM_TYPE_CALL_DIV_TREAT_IND 110
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#define PARAM_TYPE_CALLED_IN_NR 111
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#define PARAM_TYPE_CALL_OFF_TREAT_IND 112
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#define PARAM_TYPE_CHARGED_PARTY_IDENT 113
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#define PARAM_TYPE_CONF_TREAT_IND 114
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#define PARAM_TYPE_DISPLAY_INFO 115
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#define PARAM_TYPE_UID_ACTION_IND 116
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#define PARAM_TYPE_UID_CAPAB_IND 117
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#define PARAM_TYPE_REDIRECT_COUNTER 119
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#define PARAM_TYPE_COLLECT_CALL_REQ 121
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#define PARAM_TYPE_GENERIC_NR 192
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#define PARAM_TYPE_GENERIC_DIGITS 193
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static const value_string isup_parameter_type_value[] = {
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{ PARAM_TYPE_END_OF_OPT_PARAMS, "End of optional parameters"},
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{ PARAM_TYPE_CALL_REF, "Call Reference (national use)"},
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{ PARAM_TYPE_TRANSM_MEDIUM_REQU, "Transmission medium requirement"},
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{ PARAM_TYPE_ACC_TRANSP, "Access transport"},
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{ PARAM_TYPE_CALLED_PARTY_NR, "Called party number"},
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{ PARAM_TYPE_SUBSQT_NR, "Subsequent number"},
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{ PARAM_TYPE_NATURE_OF_CONN_IND, "Nature of connection indicators"},
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{ PARAM_TYPE_FORW_CALL_IND, "Forward call indicators"},
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{ PARAM_TYPE_OPT_FORW_CALL_IND, "Optional forward call indicators"},
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{ PARAM_TYPE_CALLING_PRTY_CATEG, "Calling party's category"},
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{ PARAM_TYPE_CALLING_PARTY_NR, "Calling party number"},
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{ PARAM_TYPE_REDIRECTING_NR, "Redirecting number"},
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{ PARAM_TYPE_REDIRECTION_NR, "Redirection number"},
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{ PARAM_TYPE_CONNECTION_REQ, "Connection request"},
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{ PARAM_TYPE_INFO_REQ_IND, "Information request indicators (national use)"},
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{ PARAM_TYPE_INFO_IND, "Information indicators (national use)"},
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{ PARAM_TYPE_CONTINUITY_IND, "Continuity request"},
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{ PARAM_TYPE_BACKW_CALL_IND, "Backward call indicators"},
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{ PARAM_TYPE_CAUSE_INDICATORS, "Cause indicators"},
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{ PARAM_TYPE_REDIRECTION_INFO, "Redirection information"},
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{ PARAM_TYPE_CIRC_GRP_SV_MSG_TYPE, "Circuit group supervision message type"},
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{ PARAM_TYPE_RANGE_AND_STATUS, "Range and Status"},
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{ PARAM_TYPE_FACILITY_IND, "Facility indicator"},
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{ PARAM_TYPE_CLSD_USR_GRP_ILOCK_CD, "Closed user group interlock code"},
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{ PARAM_TYPE_USER_SERVICE_INFO, "User service information"},
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{ PARAM_TYPE_SIGNALLING_POINT_CODE, "Signalling point code (national use)"},
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{ PARAM_TYPE_USER_TO_USER_INFO, "User-to-user information"},
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{ PARAM_TYPE_CONNECTED_NR, "Connected number"},
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{ PARAM_TYPE_SUSP_RESUME_IND, "Suspend/Resume indicators"},
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{ PARAM_TYPE_TRANSIT_NETW_SELECT, "Transit network selection (national use)"},
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{ PARAM_TYPE_EVENT_INFO, "Event information"},
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{ PARAM_TYPE_CIRC_ASSIGN_MAP, "Circuit assignment map"},
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{ PARAM_TYPE_CIRC_STATE_IND, "Circuit state indicator (national use)"},
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{ PARAM_TYPE_AUTO_CONG_LEVEL, "Automatic congestion level"},
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{ PARAM_TYPE_ORIG_CALLED_NR, "Original called number"},
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{ PARAM_TYPE_OPT_BACKW_CALL_IND, "Backward call indicators"},
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{ PARAM_TYPE_USER_TO_USER_IND, "User-to-user indicators"},
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{ PARAM_TYPE_ORIG_ISC_POINT_CODE, "Origination ISC point code"},
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{ PARAM_TYPE_GENERIC_NOTIF_IND, "Generic notification indicator"},
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{ PARAM_TYPE_CALL_HIST_INFO, "Call history information"},
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{ PARAM_TYPE_ACC_DELIV_INFO, "Access delivery information"},
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{ PARAM_TYPE_NETW_SPECIFIC_FACLTY, "Network specific facility (national use)"},
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{ PARAM_TYPE_USER_SERVICE_INFO_PR, "User service information prime"},
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{ PARAM_TYPE_PROPAG_DELAY_COUNTER, "Propagation delay counter"},
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{ PARAM_TYPE_REMOTE_OPERATIONS, "Remote operations (national use)"},
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{ PARAM_TYPE_SERVICE_ACTIVATION, "Service activation"},
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{ PARAM_TYPE_USER_TELESERV_INFO, "User teleservice information"},
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{ PARAM_TYPE_TRANSM_MEDIUM_USED, "Transmission medium used"},
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{ PARAM_TYPE_CALL_DIV_INFO, "Call diversion information"},
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{ PARAM_TYPE_ECHO_CTRL_INFO, "Echo control information"},
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{ PARAM_TYPE_MSG_COMPAT_INFO, "Message compatibility information"},
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{ PARAM_TYPE_PARAM_COMPAT_INFO, "Parameter compatibility information"},
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{ PARAM_TYPE_MLPP_PRECEDENCE, "MLPP precedence"},
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{ PARAM_TYPE_MCID_REQ_IND, "MCID request indicators"},
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{ PARAM_TYPE_MCID_RSP_IND, "MCID response indicators"},
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{ PARAM_TYPE_HOP_COUNTER, "Hop counter"},
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{ PARAM_TYPE_TRANSM_MEDIUM_RQUR_PR, "Transmission medium requirement prime"},
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{ PARAM_TYPE_LOCATION_NR, "Location number"},
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{ PARAM_TYPE_REDIR_NR_RSTRCT, "Redirection number restriction"},
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{ PARAM_TYPE_CALL_TRANS_REF, "Call transfer reference"},
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{ PARAM_TYPE_LOOP_PREV_IND, "Loop prevention indicators"},
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{ PARAM_TYPE_CALL_TRANS_NR, "Call transfer number"},
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{ PARAM_TYPE_CCSS, "CCSS"},
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{ PARAM_TYPE_FORW_GVNS, "Forward GVNS"},
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{ PARAM_TYPE_BACKW_GVNS, "Backward GVNS"},
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{ PARAM_TYPE_REDIRECT_CAPAB, "Redirect capability (reserved for national use)"},
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{ PARAM_TYPE_NETW_MGMT_CTRL, "Network management controls"},
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{ PARAM_TYPE_CORRELATION_ID, "Correlation id"},
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{ PARAM_TYPE_SCF_ID, "SCF id"},
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{ PARAM_TYPE_CALL_DIV_TREAT_IND, "Call diversion treatment indicators"},
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{ PARAM_TYPE_CALLED_IN_NR, "Called IN number"},
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{ PARAM_TYPE_CALL_OFF_TREAT_IND, "Call offering treatment indicators"},
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{ PARAM_TYPE_CHARGED_PARTY_IDENT, "Charged party identification (national use)"},
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{ PARAM_TYPE_CONF_TREAT_IND, "Conference treatment indicators"},
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{ PARAM_TYPE_DISPLAY_INFO, "Display information"},
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{ PARAM_TYPE_UID_ACTION_IND, "UID action indicators"},
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{ PARAM_TYPE_UID_CAPAB_IND, "UID capability indicators"},
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{ PARAM_TYPE_REDIRECT_COUNTER, "Redirect counter (reserved for national use)"},
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{ PARAM_TYPE_COLLECT_CALL_REQ, "Collect call request"},
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{ PARAM_TYPE_GENERIC_NR, "Generic number"},
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{ PARAM_TYPE_GENERIC_DIGITS, "Generic digits (national use)"},
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{ 0, NULL}};
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#define CIC_LENGTH 2
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#define MESSAGE_TYPE_LENGTH 1
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#define COMMON_HEADER_LENGTH (CIC_LENGTH + MESSAGE_TYPE_LENGTH)
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#define MAXLENGTH 0xFF /* since length field is 8 Bit long - used in number dissectors;
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max. number of address digits is 15 digits, but MAXLENGTH used
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to avoid runtime errors */
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#define PARAMETER_TYPE_LENGTH 1
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#define PARAMETER_POINTER_LENGTH 1
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#define PARAMETER_LENGTH_IND_LENGTH 1
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/* All following parameter length definitions are WITHOUT the parameter type byte and length indicator for optional parameters*/
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#define PARAMETER_NAME_LENGTH 1
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#define PARAMETER_LENGTH_IND_LENGTH 1
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#define ACCESS_DELIVERY_INFO_LENGTH 1
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#define AUTO_CONGEST_LEVEL_LENGTH 1
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#define BACKWARD_CALL_IND_LENGTH 2
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#define BACKWARD_GVNS_LENGTH 1
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#define CALL_DIV_INFO_LENGTH 1
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#define CALL_DIV_TREATMENT_IND_LENGTH 1
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#define CALL_HISTORY_INFO_LENGTH 2
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#define CALL_OFFERING_TREATMENT_IND_LENGTH 1
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#define CALL_REFERENCE_LENGTH 5
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#define CALL_TRANSFER_REF_LENGTH 1
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#define CALLING_PRTYS_CATEGORY_LENGTH 1
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#define CCSS_LENGTH 1
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#define CIRCUIT_ASSIGNMENT_MAP_LENGTH 5
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#define CIRC_GRP_SV_MSG_TYPE_LENGTH 1
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#define CLOSED_USR_GRP_INTERLOCK_CODE_LENGTH 4
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#define COLLECT_CALL_REQUEST_LENGTH 1
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#define CONFERENCE_TREATMENT_IND_LENGTH 1
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#define CONNECTION_REQUEST_LENGTH 7
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#define CONTINUITY_IND_LENGTH 1
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#define ECHO_CONTROL_INFO_LENGTH 1
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#define END_OF_OPT_PART_LENGTH 1
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#define EVENT_INFO_LENGTH 1
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#define FACILITY_IND_LENGTH 1
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#define FORWARD_CALL_IND_LENGTH 2
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#define GENERIC_NOTIFICATION_IND_LENGTH 1
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#define HOP_COUNTER_LENGTH 1
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#define INFO_IND_LENGTH 2
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#define INFO_REQUEST_IND_LENGTH 2
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#define LOOP_PREVENTION_IND_LENGTH 1
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|
#define MCID_REQUEST_IND_LENGTH 1
|
|
#define MCID_RESPONSE_IND_LENGTH 1
|
|
#define MLPP_PRECEDENCE_LENGTH 1
|
|
#define NATURE_OF_CONNECTION_IND_LENGTH 1
|
|
#define NETWORK_MANAGEMENT_CONTROLS_LENGTH 1
|
|
#define OPTIONAL_BACKWARD_CALL_IND_LENGTH 1
|
|
#define OPTIONAL_FORWARD_CALL_IND_LENGTH 1
|
|
#define ORIGINAL_ISC_POINT_CODE_LENGTH 2
|
|
#define PROPAGATION_DELAY_COUNT_LENGTH 2
|
|
#define REDIRECTION_NUMBER_LENGTH 2
|
|
#define REDIRECTION_INFO_LENGTH 2
|
|
#define REDIRECTION_NUMBER_RESTRICTION_LENGTH 1
|
|
#define SIGNALLING_POINT_CODE_LENGTH 2
|
|
#define SUSPEND_RESUME_IND_LENGTH 1
|
|
#define TRANSMISSION_MEDIUM_REQUIREMENT_LENGTH 1
|
|
#define TRANSMISSION_MEDIUM_RQMT_PRIME_LENGTH 1
|
|
#define TRANSMISSION_MEDIUM_USED_LENGTH 1
|
|
#define UID_ACTION_IND_LENGTH 1
|
|
#define UID_CAPABILITY_IND_LENGTH 1
|
|
#define USER_TELESERVICE_INFO_LENGTH 3
|
|
#define USER_TO_USER_IND_LENGTH 1
|
|
#define RANGE_LENGTH 1
|
|
|
|
#define CALL_ID_LENGTH 3 /* for parameter Call Reference */
|
|
#define SPC_LENGTH 2 /* for parameter Call Reference, Connection request */
|
|
#define LOCAL_REF_LENGTH 3 /* for parameter Connection request */
|
|
#define PROTOCOL_CLASS_LENGTH 1 /* for parameter Connection request */
|
|
#define CREDIT_LENGTH 1 /* for parameter Connection request */
|
|
|
|
#define CIC_OFFSET 0
|
|
|
|
#define NO_SATELLITE_CIRCUIT_IN_CONNECTION 0
|
|
#define ONE_SATELLITE_CIRCUIT_IN_CONNECTION 1
|
|
#define TWO_SATELLITE_CIRCUIT_IN_CONNECTION 2
|
|
static const value_string isup_satellite_ind_value[] = {
|
|
{ NO_SATELLITE_CIRCUIT_IN_CONNECTION, "No Satellite circuit in connection"},
|
|
{ ONE_SATELLITE_CIRCUIT_IN_CONNECTION, "One Satellite circuit in connection"},
|
|
{ TWO_SATELLITE_CIRCUIT_IN_CONNECTION, "Two Satellite circuits in connection"},
|
|
{ 0, NULL}};
|
|
|
|
#define CONTINUITY_CHECK_NOT_REQUIRED 0
|
|
#define CONTINUITY_CHECK_REQUIRED 1
|
|
#define CONTINUITY_CHECK_ON_A_PREVIOUS_CIRCUIT 2
|
|
static const value_string isup_continuity_check_ind_value[] = {
|
|
{ CONTINUITY_CHECK_NOT_REQUIRED, "Continuity check not required"},
|
|
{ CONTINUITY_CHECK_REQUIRED, "Continuity check required on this circuit"},
|
|
{ CONTINUITY_CHECK_ON_A_PREVIOUS_CIRCUIT , "Continuity check performed on a previous circuit"},
|
|
{ 0, NULL}};
|
|
|
|
static const true_false_string isup_echo_control_device_ind_value = {
|
|
"Echo control device included",
|
|
"Echo control device not included"
|
|
};
|
|
|
|
static const true_false_string isup_natnl_inatnl_call_ind_value = {
|
|
"Call to be treated as international call",
|
|
"Call to be treated as national call"
|
|
};
|
|
|
|
#define NO_END_TO_END_METHOD_AVAILABLE 0
|
|
#define PASS_ALONG_METHOD_AVAILABLE 1
|
|
#define SCCP_METHOD_AVAILABLE 2
|
|
#define PASS_ALONG_AND_SCCP_METHOD_AVAILABLE 3
|
|
static const value_string isup_end_to_end_method_ind_value[] = {
|
|
{ NO_END_TO_END_METHOD_AVAILABLE, "No End-to-end method available (only link-by-link method available)"},
|
|
{ PASS_ALONG_METHOD_AVAILABLE, "Pass-along method available (national use)"},
|
|
{ SCCP_METHOD_AVAILABLE, "SCCP method available"},
|
|
{ PASS_ALONG_AND_SCCP_METHOD_AVAILABLE, "pass-along and SCCP method available (national use)"},
|
|
{ 0, NULL}};
|
|
|
|
static const true_false_string isup_interworking_ind_value = {
|
|
"interworking encountered",
|
|
"no interworking encountered (No.7 signalling all the way)"
|
|
};
|
|
|
|
static const true_false_string isup_end_to_end_info_ind_value = {
|
|
"end-to-end information available",
|
|
"no end-to-end information available"
|
|
};
|
|
|
|
static const true_false_string isup_ISDN_user_part_ind_value = {
|
|
"ISDN user part used all the way",
|
|
"ISDN user part not used all the way"
|
|
};
|
|
|
|
#define ISUP_PREFERED_ALL_THE_WAY 0
|
|
#define ISUP_NOT_REQUIRED_ALL_THE_WAY 1
|
|
#define ISUP_REQUIRED_ALL_WAY 2
|
|
#define ISUP_ISDN_USER_PART_IND_SPARE 3
|
|
static const value_string isup_preferences_ind_value[] = {
|
|
{ ISUP_PREFERED_ALL_THE_WAY, "ISDN user part prefered all the way"},
|
|
{ ISUP_NOT_REQUIRED_ALL_THE_WAY, "ISDN user part not required all the way"},
|
|
{ ISUP_REQUIRED_ALL_WAY, "ISDN user part required all the way"},
|
|
{ ISUP_ISDN_USER_PART_IND_SPARE, "spare"},
|
|
{ 0, NULL}};
|
|
|
|
static const true_false_string isup_ISDN_originating_access_ind_value = {
|
|
"originating access ISDN",
|
|
"originating access non-ISDN"
|
|
};
|
|
|
|
#define NO_INDICATION 0
|
|
#define CONNECTIONLESS_METHOD_AVAILABLE 1
|
|
#define CONNECITON_ORIENTED_METHOD_AVAILABLE 2
|
|
#define CONNECTIONLESS_AND_ORIENTED_METHOD_AVAILABLE 3
|
|
static const value_string isup_SCCP_method_ind_value[] = {
|
|
{ NO_INDICATION, "No indication"},
|
|
{ CONNECTIONLESS_METHOD_AVAILABLE, "Connectionless method available (national use)"},
|
|
{ CONNECITON_ORIENTED_METHOD_AVAILABLE, "Connection oriented method available"},
|
|
{ CONNECTIONLESS_AND_ORIENTED_METHOD_AVAILABLE, "Connectionless and -oriented method available (national use)"},
|
|
{ 0, NULL}};
|
|
|
|
#define UNKNOWN_AT_THIS_TIME 0
|
|
#define OPERATOR_FRENCH 1
|
|
#define OPERATOR_ENGLISH 2
|
|
#define OPERATOR_GERMAN 3
|
|
#define OPERATOR_RUSSIAN 4
|
|
#define OPERATOR_SPANISH 5
|
|
#define ORDINARY_CALLING_SUBSCRIBER 10
|
|
#define CALLING_SUBSCRIBER_WITH_PRIORITY 11
|
|
#define DATA_CALL 12
|
|
#define TEST_CALL 13
|
|
#define PAYPHONE 15
|
|
static const value_string isup_calling_partys_category_value[] = {
|
|
{ UNKNOWN_AT_THIS_TIME, "Category unknown at this time (national use)"},
|
|
{ OPERATOR_FRENCH, "operator, language French"},
|
|
{ OPERATOR_ENGLISH, "operator, language English"},
|
|
{ OPERATOR_GERMAN, "operator, language German"},
|
|
{ OPERATOR_RUSSIAN, "operator, language Russian"},
|
|
{ OPERATOR_SPANISH, "operator, language Spanish"},
|
|
{ ORDINARY_CALLING_SUBSCRIBER, "ordinary calling subscriber"},
|
|
{ CALLING_SUBSCRIBER_WITH_PRIORITY, "calling subscriber with priority"},
|
|
{ DATA_CALL, "data call (voice band data)"},
|
|
{ TEST_CALL, "test call"},
|
|
{ PAYPHONE, "payphone"},
|
|
{ 0, NULL}};
|
|
|
|
#define MEDIUM_SPEECH 0
|
|
#define MEDIUM_64KBS 2
|
|
#define MEDIUM_3_1_KHZ_AUDIO 3
|
|
#define MEDIUM_RESERVED_SERVICE2_1 4
|
|
#define MEDIUM_RESERVED_SERVICE1_2 5
|
|
#define MEDIUM_64KBS_PREFERED 6
|
|
#define MEDIUM_2_64KBS 7
|
|
#define MEDIUM_384KBS 8
|
|
#define MEDIUM_1536KBS 9
|
|
#define MEDIUM_1920KBS 10
|
|
#define MEDIUM_3_64KBS 16
|
|
#define MEDIUM_4_64KBS 17
|
|
#define MEDIUM_5_64KBS 18
|
|
#define MEDIUM_7_64KBS 20
|
|
#define MEDIUM_8_64KBS 21
|
|
#define MEDIUM_9_64KBS 22
|
|
#define MEDIUM_10_64KBS 23
|
|
#define MEDIUM_11_64KBS 24
|
|
#define MEDIUM_12_64KBS 25
|
|
#define MEDIUM_13_64KBS 26
|
|
#define MEDIUM_14_64KBS 27
|
|
#define MEDIUM_15_64KBS 28
|
|
#define MEDIUM_16_64KBS 29
|
|
#define MEDIUM_17_64KBS 30
|
|
#define MEDIUM_18_64KBS 31
|
|
#define MEDIUM_19_64KBS 32
|
|
#define MEDIUM_20_64KBS 33
|
|
#define MEDIUM_21_64KBS 34
|
|
#define MEDIUM_22_64KBS 35
|
|
#define MEDIUM_23_64KBS 36
|
|
#define MEDIUM_25_64KBS 38
|
|
#define MEDIUM_26_64KBS 39
|
|
#define MEDIUM_27_64KBS 40
|
|
#define MEDIUM_28_64KBS 41
|
|
#define MEDIUM_29_64KBS 42
|
|
static const value_string isup_transmission_medium_requirement_value[] = {
|
|
{ MEDIUM_SPEECH, "speech"},
|
|
{ MEDIUM_64KBS, "64 kbit/s unrestricted"},
|
|
{ MEDIUM_3_1_KHZ_AUDIO, "3.1 kHz audio"},
|
|
{ MEDIUM_RESERVED_SERVICE2_1, "reserved for alternate speech (service 2)/64 kbit/s unrestricted (service 1)"},
|
|
{ MEDIUM_RESERVED_SERVICE1_2, "reserved for alternate 64 kbit/s unrestricted (service 1)/speech (service 2)"},
|
|
{ MEDIUM_64KBS_PREFERED, "64 kbit/s prefered"},
|
|
{ MEDIUM_2_64KBS, "2x64 kbit/s unrestricted"},
|
|
{ MEDIUM_384KBS, "384 kbit/s unrestricted"},
|
|
{ MEDIUM_1536KBS, "1536 kbit/s unrestricted"},
|
|
{ MEDIUM_1920KBS, "1920 kbit/s unrestricted"},
|
|
{ MEDIUM_3_64KBS, "3x64 kbit/s unrestricted"},
|
|
{ MEDIUM_4_64KBS, "4x64 kbit/s unrestricted"},
|
|
{ MEDIUM_5_64KBS, "5x64 kbit/s unrestricted"},
|
|
{ MEDIUM_7_64KBS, "7x64 kbit/s unrestricted"},
|
|
{ MEDIUM_8_64KBS, "8x64 kbit/s unrestricted"},
|
|
{ MEDIUM_9_64KBS, "9x64 kbit/s unrestricted"},
|
|
{ MEDIUM_10_64KBS, "10x64 kbit/s unrestricted"},
|
|
{ MEDIUM_11_64KBS, "11x64 kbit/s unrestricted"},
|
|
{ MEDIUM_12_64KBS, "12x64 kbit/s unrestricted"},
|
|
{ MEDIUM_13_64KBS, "13x64 kbit/s unrestricted"},
|
|
{ MEDIUM_14_64KBS, "14x64 kbit/s unrestricted"},
|
|
{ MEDIUM_15_64KBS, "15x64 kbit/s unrestricted"},
|
|
{ MEDIUM_16_64KBS, "16x64 kbit/s unrestricted"},
|
|
{ MEDIUM_17_64KBS, "17x64 kbit/s unrestricted"},
|
|
{ MEDIUM_18_64KBS, "18x64 kbit/s unrestricted"},
|
|
{ MEDIUM_19_64KBS, "19x64 kbit/s unrestricted"},
|
|
{ MEDIUM_20_64KBS, "20x64 kbit/s unrestricted"},
|
|
{ MEDIUM_21_64KBS, "21x64 kbit/s unrestricted"},
|
|
{ MEDIUM_22_64KBS, "22x64 kbit/s unrestricted"},
|
|
{ MEDIUM_23_64KBS, "23x64 kbit/s unrestricted"},
|
|
{ MEDIUM_25_64KBS, "25x64 kbit/s unrestricted"},
|
|
{ MEDIUM_26_64KBS, "26x64 kbit/s unrestricted"},
|
|
{ MEDIUM_27_64KBS, "27x64 kbit/s unrestricted"},
|
|
{ MEDIUM_28_64KBS, "28x64 kbit/s unrestricted"},
|
|
{ MEDIUM_29_64KBS, "29x64 kbit/s unrestricted"},
|
|
{ 0, NULL}};
|
|
static const value_string isup_transmission_medium_requirement_prime_value[] = {
|
|
{ MEDIUM_SPEECH, "speech"},
|
|
{ MEDIUM_64KBS, "reserved for 64 kbit/s unrestricted"},
|
|
{ MEDIUM_3_1_KHZ_AUDIO, "3.1 kHz audio"},
|
|
{ MEDIUM_RESERVED_SERVICE2_1, "reserved for alternate speech (service 2)/64 kbit/s unrestricted (service 1)"},
|
|
{ MEDIUM_RESERVED_SERVICE1_2, "reserved for alternate 64 kbit/s unrestricted (service 1)/speech (service 2)"},
|
|
{ MEDIUM_64KBS_PREFERED, "reserved for 64 kbit/s prefered"},
|
|
{ MEDIUM_2_64KBS, "reserved for 2x64 kbit/s unrestricted"},
|
|
{ MEDIUM_384KBS, "reserved for 384 kbit/s unrestricted"},
|
|
{ MEDIUM_1536KBS, "reserved for 1536 kbit/s unrestricted"},
|
|
{ MEDIUM_1920KBS, "reserved for 1920 kbit/s unrestricted"},
|
|
{ 0, NULL}};
|
|
|
|
|
|
/* Definitions for Called and Calling Party number */
|
|
#define ISUP_ODD_EVEN_MASK 0x80
|
|
#define ISUP_NATURE_OF_ADDRESS_IND_MASK 0x7F
|
|
#define ISUP_INN_MASK 0x80
|
|
#define ISUP_NI_MASK 0x80
|
|
#define ISUP_NUMBERING_PLAN_IND_MASK 0x70
|
|
#define ISUP_ADDRESS_PRESENTATION_RESTR_IND_MASK 0x0C
|
|
#define ISUP_SCREENING_IND_MASK 0x03
|
|
#define ISUP_ODD_ADDRESS_SIGNAL_DIGIT_MASK 0x0F
|
|
#define ISUP_EVEN_ADDRESS_SIGNAL_DIGIT_MASK 0xF0
|
|
|
|
static const true_false_string isup_odd_even_ind_value = {
|
|
"odd number of address signals",
|
|
"even number of address signals"
|
|
};
|
|
|
|
#define ISUP_CALLED_PARTY_NATURE_SUBSCRIBER_NR 1
|
|
#define ISUP_CALLED_PARTY_NATURE_UNKNOWN 2
|
|
#define ISUP_CALLED_PARTY_NATURE_NATIONAL_NR 3
|
|
#define ISUP_CALLED_PARTY_NATURE_INTERNATNL_NR 4
|
|
#define ISUP_CALLED_PARTY_NATURE_NETW_SPEC_NR 5
|
|
static const value_string isup_called_party_nature_of_address_ind_value[] = {
|
|
{ ISUP_CALLED_PARTY_NATURE_SUBSCRIBER_NR, "subscriber number (national use)"},
|
|
{ ISUP_CALLED_PARTY_NATURE_UNKNOWN, "unknown (national use)"},
|
|
{ ISUP_CALLED_PARTY_NATURE_NATIONAL_NR, "national (significant) number"},
|
|
{ ISUP_CALLED_PARTY_NATURE_INTERNATNL_NR, "international number"},
|
|
{ ISUP_CALLED_PARTY_NATURE_NETW_SPEC_NR, "network-specific number (national use)"},
|
|
{ 0, NULL}};
|
|
|
|
static const value_string isup_calling_party_nature_of_address_ind_value[] = {
|
|
{ ISUP_CALLED_PARTY_NATURE_SUBSCRIBER_NR, "subscriber number (national use)"},
|
|
{ ISUP_CALLED_PARTY_NATURE_UNKNOWN, "unknown (national use)"},
|
|
{ ISUP_CALLED_PARTY_NATURE_NATIONAL_NR, "national (significant) number"},
|
|
{ ISUP_CALLED_PARTY_NATURE_INTERNATNL_NR, "international number"},
|
|
{ 0, NULL}};
|
|
|
|
static const true_false_string isup_INN_ind_value = {
|
|
"routing to internal network number not allowed",
|
|
"routing to internal network number allowed "
|
|
};
|
|
static const true_false_string isup_NI_ind_value = {
|
|
"incomplete",
|
|
"complete"
|
|
};
|
|
|
|
#define ISDN_NUMBERING_PLAN 1
|
|
#define DATA_NUMBERING_PLAN 3
|
|
#define TELEX_NUMBERING_PLAN 4
|
|
static const value_string isup_numbering_plan_ind_value[] = {
|
|
{ ISDN_NUMBERING_PLAN, "ISDN (Telephony) numbering plan"},
|
|
{ DATA_NUMBERING_PLAN, "Data numbering plan (national use)"},
|
|
{ TELEX_NUMBERING_PLAN, "Telex numbering plan (national use)"},
|
|
{ 5, "Reserved for national use"},
|
|
{ 6, "Reserved for national use"},
|
|
{ 0, NULL}};
|
|
|
|
#define ADDRESS_PRESETATION_ALLOWED 0
|
|
#define ADDRESS_PRESETATION_RESTRICTED 1
|
|
#define ADDRESS_NOT_AVAILABLE 2
|
|
static const value_string isup_address_presentation_restricted_ind_value[] = {
|
|
{ ADDRESS_PRESETATION_ALLOWED, "presentation allowed"},
|
|
{ ADDRESS_PRESETATION_RESTRICTED, "presentation restricted"},
|
|
{ ADDRESS_NOT_AVAILABLE, "address not availabe (national use)"},
|
|
{ 3, "spare"},
|
|
{ 0, NULL}};
|
|
|
|
static const value_string isup_screening_ind_value[] = {
|
|
{ 0, "reserved"},
|
|
{ 1, "user provided, verified and passed"},
|
|
{ 2, "reserved"},
|
|
{ 3, "network provided"},
|
|
{ 0, NULL}};
|
|
|
|
static const value_string isup_screening_ind_enhanced_value[] = {
|
|
{ 0, "user provided, not verified"},
|
|
{ 1, "user provided, verified and passed"},
|
|
{ 2, "user provided, verified and failed"},
|
|
{ 3, "network provided"},
|
|
{ 0, NULL}};
|
|
|
|
static const value_string isup_called_party_address_digit_value[] = {
|
|
{ 0, "0"},
|
|
{ 1, "1"},
|
|
{ 2, "2"},
|
|
{ 3, "3"},
|
|
{ 4, "4"},
|
|
{ 5, "5"},
|
|
{ 6, "6"},
|
|
{ 7, "7"},
|
|
{ 8, "8"},
|
|
{ 9, "9"},
|
|
{ 10, "spare"},
|
|
{ 11, "code 11 "},
|
|
{ 12, "code 12"},
|
|
{ 15, "Stop sending"},
|
|
{ 0, NULL}};
|
|
|
|
static const value_string isup_calling_party_address_digit_value[] = {
|
|
{ 0, "0"},
|
|
{ 1, "1"},
|
|
{ 2, "2"},
|
|
{ 3, "3"},
|
|
{ 4, "4"},
|
|
{ 5, "5"},
|
|
{ 6, "6"},
|
|
{ 7, "7"},
|
|
{ 8, "8"},
|
|
{ 9, "9"},
|
|
{ 10, "spare"},
|
|
{ 11, "code 11 "},
|
|
{ 12, "code 12"},
|
|
{ 15, "spare"},
|
|
{ 0, NULL}};
|
|
|
|
/*End of Called/Calling party address definitions */
|
|
|
|
|
|
static const true_false_string isup_calling_party_address_request_ind_value = {
|
|
"calling party address requested",
|
|
"calling party address not requested"
|
|
};
|
|
static const true_false_string isup_holding_ind_value = {
|
|
"holding requested",
|
|
"holding not requested"
|
|
};
|
|
static const true_false_string isup_calling_partys_category_request_ind_value = {
|
|
"Calling Party's category requested",
|
|
"Calling Party's category not requested",
|
|
};
|
|
static const true_false_string isup_charge_information_request_ind_value = {
|
|
"Charge Information requested",
|
|
"Charge Information not requested"
|
|
};
|
|
static const true_false_string isup_malicious_call_identification_request_ind_value = {
|
|
"Malicious call identification requested",
|
|
"Malicious call identification not requested"
|
|
};
|
|
|
|
#define CALLING_PARTY_ADDRESS_NOT_INCLUDED 0
|
|
#define CALLING_PARTY_ADDRESS_NOT_AVAILABLE 1
|
|
#define CALLING_PARTY_ADDRESS_INCLUDED 3
|
|
static const value_string isup_calling_party_address_response_ind_value[] = {
|
|
{ CALLING_PARTY_ADDRESS_NOT_INCLUDED, "Calling party address not included"},
|
|
{ CALLING_PARTY_ADDRESS_NOT_AVAILABLE,"Calling party address not available"},
|
|
{ 4, "spare"},
|
|
{ CALLING_PARTY_ADDRESS_INCLUDED, "Calling party address included"},
|
|
{ 0, NULL}};
|
|
|
|
static const true_false_string isup_hold_provided_ind_value = {
|
|
"hold provided",
|
|
"hold not provided"
|
|
};
|
|
static const true_false_string isup_calling_partys_category_response_ind_value = {
|
|
"Calling Party's category included",
|
|
"Calling Party's category not included",
|
|
};
|
|
static const true_false_string isup_charge_information_response_ind_value = {
|
|
"Charge Information included",
|
|
"Charge Information not included"
|
|
};
|
|
static const true_false_string isup_solicited_information_ind_value = {
|
|
"unsolicited",
|
|
"solicited"
|
|
};
|
|
|
|
static const true_false_string isup_continuity_ind_value = {
|
|
"Continuity check successful",
|
|
"Continuity ckec failed"
|
|
};
|
|
|
|
#define CHARGE_NO_IND 0
|
|
#define CHARGE_NO_CHARGE 1
|
|
#define CHARGE_CHARGE 2
|
|
static const value_string isup_charge_ind_value[] = {
|
|
{ CHARGE_NO_IND, "No indication"},
|
|
{ CHARGE_NO_CHARGE, "No charge"},
|
|
{ CHARGE_CHARGE, "Charge"},
|
|
{ 3, "spare"},
|
|
{ 0, NULL}};
|
|
|
|
#define CALLED_PARTYS_STATUS_NO_IND 0
|
|
#define CALLED_PARTYS_STATUS_SUBSCR_FREE 1
|
|
#define CALLED_PARTYS_STATUS_CONNECT_WHEN_FREE 2
|
|
static const value_string isup_called_partys_status_ind_value[] = {
|
|
{ CALLED_PARTYS_STATUS_NO_IND, "No indication"},
|
|
{ CALLED_PARTYS_STATUS_SUBSCR_FREE, "Subscriber free"},
|
|
{ CALLED_PARTYS_STATUS_CONNECT_WHEN_FREE, "Connect when free (national use)"},
|
|
{ 3, "spare"},
|
|
{ 0, NULL}};
|
|
|
|
#define CALLED_PARTYS_CATEGORY_NO_IND 0
|
|
#define CALLED_PARTYS_CATEGORY_ORDINARY_SUBSCR 1
|
|
#define CALLED_PARTYS_CATEGORY_PAYPHONE 2
|
|
static const value_string isup_called_partys_category_ind_value[] = {
|
|
{ CALLED_PARTYS_CATEGORY_NO_IND, "No indication"},
|
|
{ CALLED_PARTYS_CATEGORY_ORDINARY_SUBSCR, "Ordinary subscriber"},
|
|
{ CALLED_PARTYS_CATEGORY_PAYPHONE, "Payphone"},
|
|
{ 3, "spare"},
|
|
{ 0, NULL}};
|
|
|
|
static const true_false_string isup_ISDN_terminating_access_ind_value = {
|
|
"terminating access ISDN",
|
|
"terminating access non-ISDN"
|
|
};
|
|
|
|
static const true_false_string isup_suspend_resume_ind_value = {
|
|
"network initiated",
|
|
"ISDN subscriber initiated"
|
|
};
|
|
#define MAINTENANCE 0
|
|
#define HARDWARE_FAILURE 1
|
|
#define RES_FOR_NATNL_USE 2
|
|
static const value_string isup_cgs_message_type_value[] = {
|
|
{ MAINTENANCE, "maintenance oriented"},
|
|
{ HARDWARE_FAILURE, "hardware failure oriented"},
|
|
{ RES_FOR_NATNL_USE, "reserved for national use (ISUP'84)"},
|
|
{ 3, "spare"},
|
|
{ 0, NULL}};
|
|
|
|
#define USER_TO_USER_SERVICE 2
|
|
static const value_string isup_facility_ind_value[] = {
|
|
{ USER_TO_USER_SERVICE, "user-to-user service"},
|
|
{ 0, NULL}};
|
|
|
|
#define MTC_BLCK_STATE_TRANSIENT 0
|
|
#define MTC_BLCK_STATE_UNEQUIPPED 3
|
|
static const value_string isup_mtc_blocking_state_DC00_value[] = {
|
|
{ MTC_BLCK_STATE_TRANSIENT, "transient"},
|
|
{ 1, "spare"},
|
|
{ 2, "spare"},
|
|
{ MTC_BLCK_STATE_UNEQUIPPED, "unequipped"},
|
|
{ 0, NULL}};
|
|
|
|
#define MTC_BLCK_NO_BLOCKING 0
|
|
#define MTC_LOCALLY_BLOCKED 1
|
|
#define MTC_REMOTELY_BLOCKED 2
|
|
#define MTC_LOCAL_REMOTE_BLOCKED 3
|
|
static const value_string isup_mtc_blocking_state_DCnot00_value[] = {
|
|
{ MTC_BLCK_NO_BLOCKING, "no blocking (active)"},
|
|
{ MTC_LOCALLY_BLOCKED, "locally blocked"},
|
|
{ MTC_REMOTELY_BLOCKED, "remotely blocked"},
|
|
{ MTC_LOCAL_REMOTE_BLOCKED, "locally and remotely blocked"},
|
|
{ 0, NULL}};
|
|
|
|
#define CALL_PROC_INCOMING_BUSY 1
|
|
#define CALL_PROC_OUTGOING_BUSY 2
|
|
#define CALL_PROC_IDLE 3
|
|
static const value_string isup_call_processing_state_value[] = {
|
|
{ CALL_PROC_INCOMING_BUSY, "circuit incoming busy"},
|
|
{ CALL_PROC_OUTGOING_BUSY, "circuit outgoing busy"},
|
|
{ CALL_PROC_IDLE, "idle"},
|
|
{ 0, NULL}};
|
|
|
|
#define HW_BLCK_NO_BLOCKING 0
|
|
#define HW_LOCALLY_BLOCKED 1
|
|
#define HW_REMOTELY_BLOCKED 2
|
|
#define HW_LOCAL_REMOTE_BLOCKED 3
|
|
static const value_string isup_HW_blocking_state_value[] = {
|
|
{ HW_BLCK_NO_BLOCKING, "no blocking (active)"},
|
|
{ HW_LOCALLY_BLOCKED, "locally blocked"},
|
|
{ HW_REMOTELY_BLOCKED, "remotely blocked"},
|
|
{ HW_LOCAL_REMOTE_BLOCKED, "locally and remotely blocked"},
|
|
{ 0, NULL}};
|
|
|
|
#define EVENT_ALERTING 1
|
|
#define EVENT_PROGRESS 2
|
|
#define EVENT_INBAND_INFO 3
|
|
#define EVENT_ON_BUSY 4
|
|
#define EVENT_ON_NO_REPLY 5
|
|
#define EVENT_UNCONDITIONAL 6
|
|
static const value_string isup_event_ind_value[] = {
|
|
/* according 3.21/Q.763 */
|
|
{ EVENT_ALERTING, "ALERTING"},
|
|
{ EVENT_PROGRESS, "PROGRESS"},
|
|
{ EVENT_INBAND_INFO, "in-band information or an appropriate pattern is now available"},
|
|
{ EVENT_ON_BUSY, "call forwarded on busy (national use)"},
|
|
{ EVENT_ON_NO_REPLY, "call forwarded on no reply (national use)"},
|
|
{ EVENT_UNCONDITIONAL,"call forwarded unconditional (national use)"},
|
|
{ 0, NULL}};
|
|
|
|
static const true_false_string isup_event_presentation_restricted_ind_value = {
|
|
/* according 3.21/Q.763 */
|
|
"presentation restricted",
|
|
"no indication"
|
|
};
|
|
#define CUG_NON_CUG_CALL 0
|
|
#define CUG_CALL_OUTGOING_ACCESS_ALLOWED 2
|
|
#define CUG_CALL_OUTGOING_ACCESS_NOT_ALLOWED 3
|
|
static const value_string isup_CUG_call_ind_value[] = {
|
|
/* according 3.38/Q.763 */
|
|
{ CUG_NON_CUG_CALL, "non-CUG call"},
|
|
{ 1, "spare"},
|
|
{ CUG_CALL_OUTGOING_ACCESS_ALLOWED, "closed user group call, outgoing access allowed"},
|
|
{ CUG_CALL_OUTGOING_ACCESS_NOT_ALLOWED, "closed user group call, outgoing access not allowed"},
|
|
{ 0, NULL}};
|
|
|
|
|
|
static const true_false_string isup_simple_segmentation_ind_value = {
|
|
/* according 3.38/Q.763 */
|
|
"additional information will be sent in a segmentation message",
|
|
"no additional information will be sent"
|
|
};
|
|
|
|
static const true_false_string isup_connected_line_identity_request_ind_value = {
|
|
/* according 3.38/Q.763 */
|
|
"requested",
|
|
"not requested"
|
|
};
|
|
|
|
static const value_string isup_redirecting_ind_value[] = {
|
|
/* according 3.45/Q.763 */
|
|
{ 0, "no redirection (national use)"},
|
|
{ 1, "call rerouted (national use)"},
|
|
{ 2, "call rerouted, all redirection information presentation restricted (national use)"},
|
|
{ 3, "call diverted"},
|
|
{ 4, "call diverted, all redirection information presentation restricted"},
|
|
{ 5, "call rerouted, redirection number presentation restricted (national use)"},
|
|
{ 6, "call diversion, redirection number presentation restricted (national use)"},
|
|
{ 7, "spare"},
|
|
{ 0, NULL}};
|
|
|
|
static const value_string isup_original_redirection_reason_value[] = {
|
|
/* according 3.45/Q.763 */
|
|
{ 0, "unknown/not available"},
|
|
{ 1, "user busy (national use)"},
|
|
{ 2, "no reply (national use)"},
|
|
{ 3, "unconditional (national use)"},
|
|
{ 0, NULL}};
|
|
|
|
static const value_string isup_redirection_reason_value[] = {
|
|
/* according 3.45/Q.763 */
|
|
{ 0, "unknown/not available"},
|
|
{ 1, "user busy (national use)"},
|
|
{ 2, "no reply (national use)"},
|
|
{ 3, "unconditional (national use)"},
|
|
{ 4, "deflection during alerting"},
|
|
{ 5, "deflection immediate response"},
|
|
{ 6, "mobile subscriber not reachable"},
|
|
{ 0, NULL}};
|
|
|
|
static const value_string isup_type_of_network_identification_value[] = {
|
|
/* according 3.53/Q.763 */
|
|
{ 0, "CCITT/ITU-T-standardized identification"},
|
|
{ 2, "national network identification"},
|
|
{ 0, NULL}};
|
|
|
|
static const value_string isup_network_identification_plan_value[] = {
|
|
/* according 3.53/Q.763 */
|
|
{ 0, "if CCITT/ITU-T id - unknown"},
|
|
{ 3, "if CCITT/ITU-T id - public data network id code (X.121)"},
|
|
{ 6, "if CCITT/ITU-T id - public land Mobile Network id code (E.211)"},
|
|
{ 0, NULL}};
|
|
|
|
static const value_string isup_map_type_value[] = {
|
|
/* according 3.69/Q.763 */
|
|
{ 1, "1544 kbit/s digital path map format (64 kbit/s base rate"},
|
|
{ 2, "2048 kbit/s digital path map format (64 kbit/s base rate"},
|
|
{ 0, NULL}};
|
|
|
|
static const value_string isup_auto_congestion_level_value[] = {
|
|
/* according 3.4/Q.763 */
|
|
{ 1, "Congestion level 1 exceeded"},
|
|
{ 2, "Congestion level 2 exceeded"},
|
|
{ 0, NULL}};
|
|
|
|
static const true_false_string isup_inband_information_ind_value = {
|
|
/* according 3.37/Q.763 */
|
|
"in-band information or an appropirate pattern is now available",
|
|
"no indication"
|
|
};
|
|
static const true_false_string isup_call_diversion_may_occur_ind_value = {
|
|
/* according 3.37/Q.763 */
|
|
"call diversion may occur",
|
|
"no indication"
|
|
};
|
|
static const true_false_string isup_MLPP_user_ind_value = {
|
|
/* according 3.37/Q.763 */
|
|
"MLPP user",
|
|
"no indication"
|
|
};
|
|
|
|
static const true_false_string isup_access_delivery_ind_value = {
|
|
/* according 3.2/Q.763 */
|
|
"No set-up message generated",
|
|
"Set-up message generated"
|
|
};
|
|
|
|
static const value_string isup_loop_prevention_response_ind_value[] = {
|
|
/* according 3.67/Q.763 */
|
|
{ 0, "insufficient information"},
|
|
{ 1, "no loop exists"},
|
|
{ 2, "simultaneous transfer"},
|
|
{ 0, NULL}};
|
|
|
|
static const true_false_string isup_temporary_alternative_routing_ind_value = {
|
|
/* according 3.68/Q.763 */
|
|
"TAR controlled call",
|
|
"no indication"
|
|
};
|
|
static const true_false_string isup_extension_ind_value = {
|
|
/* according 3.68/Q.763 */
|
|
"last octet",
|
|
"information continues through the next octet"
|
|
};
|
|
|
|
static const value_string isup_call_to_be_diverted_ind_value[] = {
|
|
/* according 3.72/Q.763 */
|
|
{ 0, "no indication"},
|
|
{ 1, "call diversion allowed"},
|
|
{ 2, "call diversion not allowed"},
|
|
{ 3, "spare"},
|
|
{ 0, NULL}};
|
|
|
|
static const value_string isup_call_to_be_offered_ind_value[] = {
|
|
/* according 3.72/Q.763 */
|
|
{ 0, "no indication"},
|
|
{ 1, "call offering not allowed"},
|
|
{ 2, "call offering allowed"},
|
|
{ 3, "spare"},
|
|
{ 0, NULL}};
|
|
|
|
static const value_string isup_conference_acceptance_ind_value[] = {
|
|
/* according 3.76/Q.763 */
|
|
{ 0, "no indication"},
|
|
{ 1, "accept conference request"},
|
|
{ 2, "reject conference request"},
|
|
{ 3, "spare"},
|
|
{ 0, NULL}};
|
|
|
|
|
|
/* Generalized bit masks for 8 and 16 bits fields */
|
|
#define A_8BIT_MASK 0x01
|
|
#define B_8BIT_MASK 0x02
|
|
#define C_8BIT_MASK 0x04
|
|
#define D_8BIT_MASK 0x08
|
|
#define E_8BIT_MASK 0x10
|
|
#define F_8BIT_MASK 0x20
|
|
#define G_8BIT_MASK 0x40
|
|
#define H_8BIT_MASK 0x80
|
|
|
|
#define BA_8BIT_MASK 0x03
|
|
#define CB_8BIT_MASK 0x06
|
|
#define DC_8BIT_MASK 0x0C
|
|
#define FE_8BIT_MASK 0x30
|
|
#define GFE_8BIT_MASK 0x70
|
|
#define DCBA_8BIT_MASK 0x0F
|
|
#define EDCBA_8BIT_MASK 0x1F
|
|
#define HGFE_8BIT_MASK 0xF0
|
|
#define GFEDCBA_8BIT_MASK 0x7F
|
|
#define FEDCBA_8BIT_MASK 0x3F
|
|
|
|
#define A_16BIT_MASK 0x0100
|
|
#define B_16BIT_MASK 0x0200
|
|
#define C_16BIT_MASK 0x0400
|
|
#define D_16BIT_MASK 0x0800
|
|
#define E_16BIT_MASK 0x1000
|
|
#define F_16BIT_MASK 0x2000
|
|
#define G_16BIT_MASK 0x4000
|
|
#define H_16BIT_MASK 0x8000
|
|
#define I_16BIT_MASK 0x0001
|
|
#define J_16BIT_MASK 0x0002
|
|
#define K_16BIT_MASK 0x0004
|
|
#define L_16BIT_MASK 0x0008
|
|
#define M_16BIT_MASK 0x0010
|
|
#define N_16BIT_MASK 0x0020
|
|
#define O_16BIT_MASK 0x0040
|
|
#define P_16BIT_MASK 0x0080
|
|
|
|
#define BA_16BIT_MASK 0x0300
|
|
#define CB_16BIT_MASK 0x0600
|
|
#define DC_16BIT_MASK 0x0C00
|
|
#define FE_16BIT_MASK 0x3000
|
|
#define HG_16BIT_MASK 0xC000
|
|
#define KJ_16BIT_MASK 0x0006
|
|
#define PO_16BIT_MASK 0x00C0
|
|
|
|
#define CBA_16BIT_MASK 0x0700
|
|
#define KJI_16BIT_MASK 0x0007
|
|
#define HGFE_16BIT_MASK 0xF000
|
|
#define PONM_16BIT_MASK 0x00F0
|
|
|
|
/* Initialize the protocol and registered fields */
|
|
static int proto_isup = -1;
|
|
static int hf_isup_cic = -1;
|
|
static int hf_isup_message_type = -1;
|
|
static int hf_isup_parameter_type = -1;
|
|
static int hf_isup_parameter_length = -1;
|
|
static int hf_isup_mandatory_variable_parameter_pointer = -1;
|
|
static int hf_isup_pointer_to_start_of_optional_part = -1;
|
|
|
|
static int hf_isup_satellite_indicator = -1;
|
|
static int hf_isup_continuity_check_indicator = -1;
|
|
static int hf_isup_echo_control_device_indicator = -1;
|
|
|
|
static int hf_isup_forw_call_natnl_inatnl_call_indicator = -1;
|
|
static int hf_isup_forw_call_end_to_end_method_indicator = -1;
|
|
static int hf_isup_forw_call_interworking_indicator = -1;
|
|
static int hf_isup_forw_call_end_to_end_info_indicator = -1;
|
|
static int hf_isup_forw_call_isdn_user_part_indicator = -1;
|
|
static int hf_isup_forw_call_preferences_indicator = -1;
|
|
static int hf_isup_forw_call_isdn_access_indicator = -1;
|
|
static int hf_isup_forw_call_sccp_method_indicator = -1;
|
|
|
|
static int hf_isup_calling_partys_category = -1;
|
|
|
|
static int hf_isup_transmission_medium_requirement = -1;
|
|
|
|
static int hf_isup_odd_even_indicator = -1;
|
|
static int hf_isup_called_party_nature_of_address_indicator = -1;
|
|
static int hf_isup_calling_party_nature_of_address_indicator = -1;
|
|
static int hf_isup_inn_indicator = -1;
|
|
static int hf_isup_ni_indicator = -1;
|
|
static int hf_isup_numbering_plan_indicator = -1;
|
|
static int hf_isup_address_presentation_restricted_indicator = -1;
|
|
static int hf_isup_screening_indicator = -1;
|
|
static int hf_isup_screening_indicator_enhanced = -1;
|
|
static int hf_isup_called_party_odd_address_signal_digit = -1;
|
|
static int hf_isup_calling_party_odd_address_signal_digit = -1;
|
|
static int hf_isup_called_party_even_address_signal_digit = -1;
|
|
static int hf_isup_calling_party_even_address_signal_digit = -1;
|
|
|
|
static int hf_isup_calling_party_address_request_indicator = -1;
|
|
static int hf_isup_info_req_holding_indicator = -1;
|
|
static int hf_isup_calling_partys_category_request_indicator = -1;
|
|
static int hf_isup_charge_information_request_indicator = -1;
|
|
static int hf_isup_malicious_call_identification_request_indicator = -1;
|
|
|
|
static int hf_isup_calling_party_address_response_indicator = -1;
|
|
static int hf_isup_hold_provided_indicator = -1;
|
|
static int hf_isup_calling_partys_category_response_indicator = -1;
|
|
static int hf_isup_charge_information_response_indicator = -1;
|
|
static int hf_isup_solicited_indicator = -1;
|
|
|
|
static int hf_isup_continuity_indicator = -1;
|
|
|
|
static int hf_isup_backw_call_charge_ind = -1 ;
|
|
static int hf_isup_backw_call_called_partys_status_ind = -1;
|
|
static int hf_isup_backw_call_called_partys_category_ind = -1;
|
|
static int hf_isup_backw_call_end_to_end_method_ind = -1;
|
|
static int hf_isup_backw_call_interworking_ind = -1;
|
|
static int hf_isup_backw_call_end_to_end_info_ind = -1;
|
|
static int hf_isup_backw_call_isdn_user_part_ind = -1;
|
|
static int hf_isup_backw_call_holding_ind = -1;
|
|
static int hf_isup_backw_call_isdn_access_ind = -1;
|
|
static int hf_isup_backw_call_echo_control_device_ind = -1;
|
|
static int hf_isup_backw_call_sccp_method_ind = -1;
|
|
|
|
static int hf_isup_suspend_resume_indicator = -1;
|
|
|
|
static int hf_isup_range_indicator = -1;
|
|
static int hf_isup_cgs_message_type = -1;
|
|
|
|
static int hf_isup_mtc_blocking_state1 = -1;
|
|
static int hf_isup_mtc_blocking_state2 = -1;
|
|
static int hf_isup_call_proc_state = -1;
|
|
static int hf_isup_hw_blocking_state = -1;
|
|
|
|
static int hf_isup_event_ind = -1;
|
|
static int hf_isup_event_presentation_restricted_ind = -1;
|
|
|
|
static int hf_isup_cug_call_ind = -1;
|
|
static int hf_isup_simple_segmentation_ind = -1;
|
|
static int hf_isup_connected_line_identity_request_ind = -1;
|
|
|
|
static int hf_isup_redirecting_ind = -1;
|
|
static int hf_isup_original_redirection_reason = -1;
|
|
static int hf_isup_redirection_counter = -1;
|
|
static int hf_isup_redirection_reason = -1;
|
|
|
|
static int hf_isup_type_of_network_identification = -1;
|
|
static int hf_isup_network_identification_plan = -1;
|
|
|
|
static int hf_isup_map_type = -1;
|
|
|
|
static int hf_isup_automatic_congestion_level = -1;
|
|
|
|
static int hf_isup_inband_information_ind = -1;
|
|
static int hf_isup_call_diversion_may_occur_ind = -1;
|
|
static int hf_isup_mlpp_user_ind = -1;
|
|
|
|
static int hf_isup_access_delivery_ind =- -1;
|
|
|
|
static int hf_isup_transmission_medium_requirement_prime = -1;
|
|
|
|
static int hf_isup_loop_prevention_response_ind = -1;
|
|
|
|
static int hf_isup_temporary_alternative_routing_ind = -1;
|
|
static int hf_isup_extension_ind = -1;
|
|
|
|
static int hf_isup_call_to_be_diverted_ind = -1;
|
|
|
|
static int hf_isup_call_to_be_offered_ind = -1;
|
|
|
|
static int hf_isup_conference_acceptance_ind = -1;
|
|
|
|
/* Initialize the subtree pointers */
|
|
static gint ett_isup = -1;
|
|
static gint ett_isup_parameter = -1;
|
|
static gint ett_isup_address_digits = -1;
|
|
static gint ett_isup_pass_along_message = -1;
|
|
static gint ett_isup_circuit_state_ind = -1;
|
|
|
|
|
|
/* ------------------------------------------------------------------
|
|
Mapping number to ASCII-character
|
|
------------------------------------------------------------------ */
|
|
char number_to_char(int number)
|
|
{
|
|
if (number < 10)
|
|
return ((char) number + ASCII_NUMBER_DELTA);
|
|
else
|
|
return ((char) number + ASCII_LETTER_DELTA);
|
|
}
|
|
|
|
|
|
/* ------------------------------------------------------------------ */
|
|
/* Dissectors for all used parameter types */
|
|
/* ------------------------------------------------------------------ */
|
|
/* argument tvbuff_t contains only parameter-specific length */
|
|
/* length indicator is already dissected in dissect_isup_message() or */
|
|
/* dissect_isup_optional_parameter() */
|
|
/* ------------------------------------------------------------------ */
|
|
|
|
/* ------------------------------------------------------------------
|
|
Dissector Parameter nature of connection flags
|
|
*/
|
|
void
|
|
dissect_isup_nature_of_connection_indicators_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
guint8 nature_of_connection_ind;
|
|
|
|
nature_of_connection_ind = tvb_get_guint8(parameter_tvb, 0);
|
|
proto_tree_add_uint(parameter_tree, hf_isup_satellite_indicator, parameter_tvb, 0,NATURE_OF_CONNECTION_IND_LENGTH, nature_of_connection_ind);
|
|
proto_tree_add_uint(parameter_tree, hf_isup_continuity_check_indicator, parameter_tvb, 0,NATURE_OF_CONNECTION_IND_LENGTH, nature_of_connection_ind);
|
|
proto_tree_add_boolean(parameter_tree, hf_isup_echo_control_device_indicator, parameter_tvb, 0, NATURE_OF_CONNECTION_IND_LENGTH, nature_of_connection_ind);
|
|
|
|
proto_item_set_text(parameter_item, "Nature of Connection Indicators: 0x%x", nature_of_connection_ind);
|
|
}
|
|
|
|
/* ------------------------------------------------------------------
|
|
Dissector Parameter Forward Call Indicators
|
|
*/
|
|
void
|
|
dissect_isup_forward_call_indicators_parameter(tvbuff_t *parameter_tvb,proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
guint16 forward_call_ind;
|
|
|
|
forward_call_ind = tvb_get_ntohs(parameter_tvb, 0);
|
|
proto_tree_add_boolean(parameter_tree, hf_isup_forw_call_natnl_inatnl_call_indicator, parameter_tvb, 0, FORWARD_CALL_IND_LENGTH, forward_call_ind);
|
|
proto_tree_add_uint(parameter_tree, hf_isup_forw_call_end_to_end_method_indicator, parameter_tvb, 0, FORWARD_CALL_IND_LENGTH, forward_call_ind);
|
|
proto_tree_add_boolean(parameter_tree, hf_isup_forw_call_interworking_indicator, parameter_tvb, 0, FORWARD_CALL_IND_LENGTH, forward_call_ind);
|
|
proto_tree_add_boolean(parameter_tree, hf_isup_forw_call_end_to_end_info_indicator, parameter_tvb, 0, FORWARD_CALL_IND_LENGTH, forward_call_ind);
|
|
proto_tree_add_boolean(parameter_tree, hf_isup_forw_call_isdn_user_part_indicator, parameter_tvb, 0, FORWARD_CALL_IND_LENGTH, forward_call_ind);
|
|
proto_tree_add_uint(parameter_tree, hf_isup_forw_call_preferences_indicator, parameter_tvb, 0, FORWARD_CALL_IND_LENGTH, forward_call_ind);
|
|
proto_tree_add_boolean(parameter_tree, hf_isup_forw_call_isdn_access_indicator, parameter_tvb, 0, FORWARD_CALL_IND_LENGTH, forward_call_ind);
|
|
proto_tree_add_uint(parameter_tree, hf_isup_forw_call_sccp_method_indicator, parameter_tvb, 0, FORWARD_CALL_IND_LENGTH, forward_call_ind);
|
|
|
|
proto_item_set_text(parameter_item, "Forward Call Indicators: 0x%x", forward_call_ind );
|
|
}
|
|
|
|
/* ------------------------------------------------------------------
|
|
Dissector Parameter Calling Party's Category
|
|
*/
|
|
void
|
|
dissect_isup_calling_partys_category_parameter(tvbuff_t *parameter_tvb,proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
guint8 calling_partys_category;
|
|
|
|
calling_partys_category = tvb_get_guint8(parameter_tvb, 0);
|
|
proto_tree_add_uint(parameter_tree, hf_isup_calling_partys_category, parameter_tvb, 0, CALLING_PRTYS_CATEGORY_LENGTH, calling_partys_category);
|
|
|
|
proto_item_set_text(parameter_item, "Calling Party's category: 0x%x (%s)", calling_partys_category, val_to_str(calling_partys_category, isup_calling_partys_category_value, "reserved/spare"));
|
|
}
|
|
|
|
|
|
/* ------------------------------------------------------------------
|
|
Dissector Parameter Transmission medium requirement
|
|
*/
|
|
void
|
|
dissect_isup_transmission_medium_requirement_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
guint8 transmission_medium_requirement;
|
|
|
|
transmission_medium_requirement = tvb_get_guint8(parameter_tvb, 0);
|
|
proto_tree_add_uint(parameter_tree, hf_isup_transmission_medium_requirement, parameter_tvb, 0, TRANSMISSION_MEDIUM_REQUIREMENT_LENGTH,transmission_medium_requirement);
|
|
|
|
proto_item_set_text(parameter_item, "Transmission medium requirement: %u (%s)", transmission_medium_requirement, val_to_str(transmission_medium_requirement, isup_transmission_medium_requirement_value, "spare"));
|
|
}
|
|
/* ------------------------------------------------------------------
|
|
Dissector Parameter Called party number
|
|
*/
|
|
void dissect_isup_called_party_number_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
proto_item *address_digits_item;
|
|
proto_tree *address_digits_tree;
|
|
guint8 indicators1, indicators2;
|
|
guint8 address_digit_pair=0;
|
|
gint offset=0;
|
|
gint i=0;
|
|
gint length;
|
|
char called_number[MAXLENGTH]="";
|
|
|
|
indicators1 = tvb_get_guint8(parameter_tvb, 0);
|
|
proto_tree_add_boolean(parameter_tree, hf_isup_odd_even_indicator, parameter_tvb, 0, 1, indicators1);
|
|
proto_tree_add_uint(parameter_tree, hf_isup_called_party_nature_of_address_indicator, parameter_tvb, 0, 1, indicators1);
|
|
indicators2 = tvb_get_guint8(parameter_tvb, 1);
|
|
proto_tree_add_boolean(parameter_tree, hf_isup_inn_indicator, parameter_tvb, 1, 1, indicators2);
|
|
proto_tree_add_uint(parameter_tree, hf_isup_numbering_plan_indicator, parameter_tvb, 1, 1, indicators2);
|
|
offset = 2;
|
|
|
|
address_digits_item = proto_tree_add_notext(parameter_tree, parameter_tvb, offset, tvb_length_remaining(parameter_tvb, offset));
|
|
address_digits_tree = proto_item_add_subtree(address_digits_item, ett_isup_address_digits);
|
|
|
|
length = tvb_length_remaining(parameter_tvb, offset);
|
|
while(length > 0){
|
|
address_digit_pair = tvb_get_guint8(parameter_tvb, offset);
|
|
proto_tree_add_uint(address_digits_tree, hf_isup_called_party_odd_address_signal_digit, parameter_tvb, offset, 1, address_digit_pair);
|
|
called_number[i++] = number_to_char(address_digit_pair & ISUP_ODD_ADDRESS_SIGNAL_DIGIT_MASK);
|
|
if ((length - 1) > 0 ){
|
|
proto_tree_add_uint(address_digits_tree, hf_isup_called_party_even_address_signal_digit, parameter_tvb, offset, 1, address_digit_pair);
|
|
called_number[i++] = number_to_char((address_digit_pair & ISUP_EVEN_ADDRESS_SIGNAL_DIGIT_MASK) / 0x10);
|
|
}
|
|
offset++;
|
|
length = tvb_length_remaining(parameter_tvb, offset);
|
|
}
|
|
|
|
if (((indicators1 & 0x80) == 0) && (tvb_length(parameter_tvb) > 0)){ /* Even Indicator set -> last even digit is valid & has be displayed */
|
|
proto_tree_add_uint(address_digits_tree, hf_isup_called_party_even_address_signal_digit, parameter_tvb, offset - 1, 1, address_digit_pair);
|
|
called_number[i++] = number_to_char((address_digit_pair & ISUP_EVEN_ADDRESS_SIGNAL_DIGIT_MASK) / 0x10);
|
|
}
|
|
called_number[i++] = '\0';
|
|
|
|
proto_item_set_text(address_digits_item, "Called Party Number: %s", called_number);
|
|
proto_item_set_text(parameter_item, "Called Party Number: %s", called_number);
|
|
|
|
}
|
|
/* ------------------------------------------------------------------
|
|
Dissector Parameter Subsequent number
|
|
*/
|
|
void dissect_isup_subsequent_number_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
proto_item *address_digits_item;
|
|
proto_tree *address_digits_tree;
|
|
guint8 indicators1;
|
|
guint8 address_digit_pair=0;
|
|
gint offset=0;
|
|
gint i=0;
|
|
gint length;
|
|
char called_number[MAXLENGTH]="";
|
|
|
|
indicators1 = tvb_get_guint8(parameter_tvb, 0);
|
|
proto_tree_add_boolean(parameter_tree, hf_isup_odd_even_indicator, parameter_tvb, 0, 1, indicators1);
|
|
offset = 1;
|
|
|
|
address_digits_item = proto_tree_add_notext(parameter_tree, parameter_tvb, offset, tvb_length_remaining(parameter_tvb, offset));
|
|
address_digits_tree = proto_item_add_subtree(address_digits_item, ett_isup_address_digits);
|
|
|
|
length = tvb_length_remaining(parameter_tvb, offset);
|
|
while(length > 0){
|
|
address_digit_pair = tvb_get_guint8(parameter_tvb, offset);
|
|
proto_tree_add_uint(address_digits_tree, hf_isup_called_party_odd_address_signal_digit, parameter_tvb, offset, 1, address_digit_pair);
|
|
called_number[i++] = number_to_char(address_digit_pair & ISUP_ODD_ADDRESS_SIGNAL_DIGIT_MASK);
|
|
if ((length - 1) > 0 ){
|
|
proto_tree_add_uint(address_digits_tree, hf_isup_called_party_even_address_signal_digit, parameter_tvb, offset, 1, address_digit_pair);
|
|
called_number[i++] = number_to_char((address_digit_pair & ISUP_EVEN_ADDRESS_SIGNAL_DIGIT_MASK) / 0x10);
|
|
}
|
|
offset++;
|
|
length = tvb_length_remaining(parameter_tvb, offset);
|
|
}
|
|
|
|
if (((indicators1 & 0x80) == 0) && (tvb_length(parameter_tvb) > 0)){ /* Even Indicator set -> last even digit is valid & has be displayed */
|
|
proto_tree_add_uint(address_digits_tree, hf_isup_called_party_even_address_signal_digit, parameter_tvb, offset - 1, 1, address_digit_pair);
|
|
called_number[i++] = number_to_char((address_digit_pair & ISUP_EVEN_ADDRESS_SIGNAL_DIGIT_MASK) / 0x10);
|
|
}
|
|
called_number[i++] = '\0';
|
|
|
|
proto_item_set_text(address_digits_item, "Subsequent Number: %s", called_number);
|
|
proto_item_set_text(parameter_item, "Subsequent Number: %s", called_number);
|
|
|
|
}
|
|
/* ------------------------------------------------------------------
|
|
Dissector Parameter Information Request Indicators
|
|
*/
|
|
void
|
|
dissect_isup_information_request_indicators_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
guint16 information_request_indicators;
|
|
|
|
information_request_indicators = tvb_get_ntohs(parameter_tvb, 0);
|
|
proto_tree_add_boolean(parameter_tree, hf_isup_calling_party_address_request_indicator, parameter_tvb, 0, INFO_REQUEST_IND_LENGTH, information_request_indicators);
|
|
proto_tree_add_boolean(parameter_tree, hf_isup_info_req_holding_indicator, parameter_tvb, 0, INFO_REQUEST_IND_LENGTH, information_request_indicators);
|
|
proto_tree_add_boolean(parameter_tree, hf_isup_calling_partys_category_request_indicator, parameter_tvb, 0, INFO_REQUEST_IND_LENGTH, information_request_indicators);
|
|
proto_tree_add_boolean(parameter_tree, hf_isup_charge_information_request_indicator, parameter_tvb, 0, INFO_REQUEST_IND_LENGTH, information_request_indicators);
|
|
proto_tree_add_boolean(parameter_tree, hf_isup_malicious_call_identification_request_indicator, parameter_tvb, 0, INFO_REQUEST_IND_LENGTH, information_request_indicators);
|
|
|
|
|
|
proto_item_set_text(parameter_item, "Information request indicators: 0x%x", information_request_indicators);
|
|
}
|
|
/* ------------------------------------------------------------------
|
|
Dissector Parameter Information Indicators
|
|
*/
|
|
void
|
|
dissect_isup_information_indicators_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
guint16 information_indicators;
|
|
|
|
information_indicators = tvb_get_ntohs(parameter_tvb, 0);
|
|
proto_tree_add_uint(parameter_tree, hf_isup_calling_party_address_response_indicator, parameter_tvb, 0, INFO_IND_LENGTH, information_indicators);
|
|
proto_tree_add_boolean(parameter_tree, hf_isup_hold_provided_indicator, parameter_tvb, 0, INFO_IND_LENGTH, information_indicators);
|
|
proto_tree_add_boolean(parameter_tree, hf_isup_calling_partys_category_response_indicator, parameter_tvb, 0, INFO_IND_LENGTH, information_indicators);
|
|
proto_tree_add_boolean(parameter_tree, hf_isup_charge_information_response_indicator, parameter_tvb, 0, INFO_IND_LENGTH, information_indicators);
|
|
proto_tree_add_boolean(parameter_tree, hf_isup_solicited_indicator, parameter_tvb, 0, INFO_IND_LENGTH, information_indicators);
|
|
|
|
|
|
proto_item_set_text(parameter_item, "Information indicators: 0x%x", information_indicators);
|
|
}
|
|
/* ------------------------------------------------------------------
|
|
Dissector Parameter Continuity Indicators
|
|
*/
|
|
void
|
|
dissect_isup_continuity_indicators_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
guint8 continuity_indicators;
|
|
|
|
continuity_indicators = tvb_get_guint8(parameter_tvb, 0);
|
|
proto_tree_add_boolean(parameter_tree, hf_isup_continuity_indicator, parameter_tvb, 0, CONTINUITY_IND_LENGTH, continuity_indicators);
|
|
|
|
proto_item_set_text(parameter_item, "Continuity indicators: 0x%x", continuity_indicators);
|
|
}
|
|
/* ------------------------------------------------------------------
|
|
Dissector Parameter Backward Call Indicators
|
|
*/
|
|
void
|
|
dissect_isup_backward_call_indicators_parameter(tvbuff_t *parameter_tvb,proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
guint16 backward_call_ind;
|
|
|
|
backward_call_ind = tvb_get_ntohs(parameter_tvb, 0);
|
|
|
|
|
|
proto_tree_add_uint(parameter_tree, hf_isup_backw_call_charge_ind, parameter_tvb, 0, BACKWARD_CALL_IND_LENGTH, backward_call_ind);
|
|
proto_tree_add_uint(parameter_tree, hf_isup_backw_call_called_partys_status_ind, parameter_tvb, 0, BACKWARD_CALL_IND_LENGTH, backward_call_ind);
|
|
proto_tree_add_uint(parameter_tree, hf_isup_backw_call_called_partys_category_ind, parameter_tvb, 0, BACKWARD_CALL_IND_LENGTH, backward_call_ind);
|
|
proto_tree_add_uint(parameter_tree, hf_isup_backw_call_end_to_end_method_ind, parameter_tvb, 0, BACKWARD_CALL_IND_LENGTH, backward_call_ind);
|
|
proto_tree_add_boolean(parameter_tree, hf_isup_backw_call_interworking_ind, parameter_tvb, 0, BACKWARD_CALL_IND_LENGTH, backward_call_ind);
|
|
proto_tree_add_boolean(parameter_tree, hf_isup_backw_call_end_to_end_info_ind, parameter_tvb, 0, BACKWARD_CALL_IND_LENGTH, backward_call_ind);
|
|
proto_tree_add_boolean(parameter_tree, hf_isup_backw_call_isdn_user_part_ind, parameter_tvb, 0, BACKWARD_CALL_IND_LENGTH, backward_call_ind);
|
|
proto_tree_add_boolean(parameter_tree, hf_isup_backw_call_holding_ind, parameter_tvb, 0, BACKWARD_CALL_IND_LENGTH, backward_call_ind);
|
|
proto_tree_add_boolean(parameter_tree, hf_isup_backw_call_isdn_access_ind, parameter_tvb, 0, BACKWARD_CALL_IND_LENGTH, backward_call_ind);
|
|
proto_tree_add_boolean(parameter_tree, hf_isup_backw_call_echo_control_device_ind, parameter_tvb, 0, BACKWARD_CALL_IND_LENGTH, backward_call_ind);
|
|
proto_tree_add_uint(parameter_tree, hf_isup_backw_call_sccp_method_ind, parameter_tvb, 0, BACKWARD_CALL_IND_LENGTH, backward_call_ind);
|
|
|
|
proto_item_set_text(parameter_item, "Backward Call Indicators: 0x%x", backward_call_ind);
|
|
}
|
|
/* ------------------------------------------------------------------
|
|
Dissector Parameter Cause Indicators - no detailed dissection since defined in Rec. Q.850
|
|
*/
|
|
void
|
|
dissect_isup_cause_indicators_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{ guint length = tvb_length(parameter_tvb);
|
|
proto_tree_add_text(parameter_item, parameter_tvb,0, length, "Cause indicators (-> Q.850)");
|
|
proto_item_set_text(parameter_item, "Cause indicators, see Q.850 (%u byte%s length)", length , plurality(length, "", "s"));
|
|
}
|
|
|
|
/* ------------------------------------------------------------------
|
|
Dissector Parameter Suspend/Resume Indicators
|
|
*/
|
|
void
|
|
dissect_isup_suspend_resume_indicators_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
guint8 indicators;
|
|
|
|
indicators = tvb_get_guint8(parameter_tvb, 0);
|
|
proto_tree_add_boolean(parameter_tree, hf_isup_suspend_resume_indicator, parameter_tvb, 0, SUSPEND_RESUME_IND_LENGTH, indicators);
|
|
|
|
proto_item_set_text(parameter_item, "Suspend/Resume indicator: 0x%x", indicators);
|
|
}
|
|
/* ------------------------------------------------------------------
|
|
Dissector Parameter Range and Status Indicators
|
|
*/
|
|
void
|
|
dissect_isup_range_and_status_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
guint8 range, actual_status_length;
|
|
|
|
range = tvb_get_guint8(parameter_tvb, 0);
|
|
proto_tree_add_uint_format(parameter_tree, hf_isup_range_indicator, parameter_tvb, 0, RANGE_LENGTH, range, "Range: %u", range);
|
|
actual_status_length = tvb_length_remaining(parameter_tvb, RANGE_LENGTH);
|
|
if (actual_status_length > 0)
|
|
proto_tree_add_text(parameter_tree, parameter_tvb , RANGE_LENGTH, actual_status_length, "Status subfield");
|
|
else
|
|
proto_tree_add_text(parameter_tree, parameter_tvb , 0, 0, "Status subfield is not present with this message type");
|
|
|
|
|
|
proto_item_set_text(parameter_item, "Range (%u) and status", range);
|
|
}
|
|
/* ------------------------------------------------------------------
|
|
Dissector Parameter Circuit group supervision message type
|
|
*/
|
|
void
|
|
dissect_isup_circuit_group_supervision_message_type_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
guint8 cgs_message_type;
|
|
|
|
cgs_message_type = tvb_get_guint8(parameter_tvb, 0);
|
|
proto_tree_add_uint(parameter_tree, hf_isup_cgs_message_type, parameter_tvb, 0, CIRC_GRP_SV_MSG_TYPE_LENGTH, cgs_message_type);
|
|
|
|
proto_item_set_text(parameter_item, "Circuit group supervision message type: %s (%u)" ,val_to_str(cgs_message_type, isup_cgs_message_type_value,"unknown"), cgs_message_type);
|
|
}
|
|
/* ------------------------------------------------------------------
|
|
Dissector Parameter Facility indicator parameter
|
|
*/
|
|
void
|
|
dissect_isup_facility_ind_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
guint8 indicator;
|
|
|
|
indicator = tvb_get_guint8(parameter_tvb, 0);
|
|
|
|
proto_item_set_text(parameter_item, "Facility indicator: %s (%u)" ,val_to_str(indicator, isup_facility_ind_value,"spare"), indicator);
|
|
}
|
|
/* ------------------------------------------------------------------
|
|
Dissector Parameter Circuit state indicator
|
|
*/
|
|
void
|
|
dissect_isup_circuit_state_ind_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
proto_item *circuit_state_item;
|
|
proto_tree *circuit_state_tree;
|
|
guint8 circuit_state;
|
|
gint offset=0;
|
|
gint i=0;
|
|
gint length;
|
|
|
|
length = tvb_length_remaining(parameter_tvb, offset);
|
|
while(length > 0){
|
|
circuit_state_item = proto_tree_add_notext(parameter_tree, parameter_tvb, offset, tvb_length_remaining(parameter_tvb, offset));
|
|
circuit_state_tree = proto_item_add_subtree(circuit_state_item, ett_isup_circuit_state_ind);
|
|
circuit_state = tvb_get_guint8(parameter_tvb, offset);
|
|
if ((circuit_state & DC_8BIT_MASK) == 0){
|
|
proto_tree_add_uint(circuit_state_tree, hf_isup_mtc_blocking_state1, parameter_tvb, offset, 1, circuit_state);
|
|
proto_item_set_text(circuit_state_item, "Circuit# CIC+%u state: %s", i++, val_to_str(circuit_state&BA_8BIT_MASK, isup_mtc_blocking_state_DC00_value, "unknown"));
|
|
}
|
|
else {
|
|
proto_tree_add_uint(circuit_state_tree, hf_isup_mtc_blocking_state2, parameter_tvb, offset, 1, circuit_state);
|
|
proto_tree_add_uint(circuit_state_tree, hf_isup_call_proc_state, parameter_tvb, offset, 1, circuit_state);
|
|
proto_tree_add_uint(circuit_state_tree, hf_isup_hw_blocking_state, parameter_tvb, offset, 1, circuit_state);
|
|
proto_item_set_text(circuit_state_item, "Circuit# CIC+%u state: %s", i++, val_to_str(circuit_state&BA_8BIT_MASK, isup_mtc_blocking_state_DCnot00_value, "unknown"));
|
|
}
|
|
offset++;
|
|
length = tvb_length_remaining(parameter_tvb, offset);
|
|
}
|
|
proto_item_set_text(parameter_item, "Circuit state indicator (national use)");
|
|
}
|
|
/* ------------------------------------------------------------------
|
|
Dissector Parameter Event information
|
|
*/
|
|
void
|
|
dissect_isup_event_information_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
guint8 indicators;
|
|
|
|
indicators = tvb_get_guint8(parameter_tvb, 0);
|
|
proto_tree_add_uint_format(parameter_tree, hf_isup_event_ind, parameter_tvb, 0, EVENT_INFO_LENGTH, indicators, "Event indicator: %s (%u)", val_to_str(indicators & GFEDCBA_8BIT_MASK, isup_event_ind_value, "spare"), indicators & GFEDCBA_8BIT_MASK);
|
|
proto_tree_add_boolean(parameter_tree, hf_isup_event_presentation_restricted_ind, parameter_tvb, 0, EVENT_INFO_LENGTH, indicators);
|
|
|
|
proto_item_set_text(parameter_item,"Event information: %s (%u)", val_to_str(indicators & GFEDCBA_8BIT_MASK, isup_event_ind_value, "spare"),indicators );
|
|
}
|
|
/* ------------------------------------------------------------------
|
|
Dissector Parameter User-to-user information- no detailed dissection since defined in Rec. Q.931
|
|
*/
|
|
void
|
|
dissect_isup_user_to_user_information_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{ guint length = tvb_length(parameter_tvb);
|
|
proto_tree_add_text(parameter_item, parameter_tvb, 0, length, "User-to-user info (-> Q.931)");
|
|
proto_item_set_text(parameter_item, "User-to-user information, see Q.931 (%u byte%s length)", length , plurality(length, "", "s"));
|
|
}
|
|
/* ------------------------------------------------------------------
|
|
Dissector Parameter Call Reference
|
|
*/
|
|
void
|
|
dissect_isup_call_reference_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
guint32 call_id;
|
|
guint16 spc;
|
|
|
|
call_id = tvb_get_ntoh24(parameter_tvb, 0);
|
|
spc = tvb_get_letohs(parameter_tvb, CALL_ID_LENGTH) & 0x3FFF; /*since 1st 2 bits spare */
|
|
proto_tree_add_text(parameter_item, parameter_tvb, 0, CALL_ID_LENGTH, "Call identity: %u", call_id);
|
|
proto_tree_add_text(parameter_item, parameter_tvb, CALL_ID_LENGTH, SPC_LENGTH, "Signalling Point Code: %u", spc);
|
|
|
|
proto_item_set_text(parameter_item, "Call Reference: Call ID = %u, SPC = %u", call_id, spc);
|
|
}
|
|
/* ------------------------------------------------------------------
|
|
Dissector Parameter Access Transport - no detailed dissection since defined in Rec. Q.931
|
|
*/
|
|
void
|
|
dissect_isup_access_transport_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{ guint length = tvb_length(parameter_tvb);
|
|
proto_tree_add_text(parameter_item, parameter_tvb, 0, length, "Access transport parameter field (-> Q.931)");
|
|
proto_item_set_text(parameter_item, "Access transport, see Q.931 (%u byte%s length)", length , plurality(length, "", "s"));
|
|
}
|
|
/* ------------------------------------------------------------------
|
|
Dissector Parameter Optional Forward Call indicators
|
|
*/
|
|
void
|
|
dissect_isup_optional_forward_call_indicators_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
guint8 indicators;
|
|
|
|
indicators = tvb_get_guint8(parameter_tvb, 0);
|
|
proto_tree_add_uint(parameter_tree, hf_isup_cug_call_ind, parameter_tvb, 0, OPTIONAL_FORWARD_CALL_IND_LENGTH, indicators);
|
|
proto_tree_add_boolean(parameter_tree, hf_isup_simple_segmentation_ind, parameter_tvb, 0, OPTIONAL_FORWARD_CALL_IND_LENGTH, indicators);
|
|
proto_tree_add_boolean(parameter_tree, hf_isup_connected_line_identity_request_ind, parameter_tvb, 0, OPTIONAL_FORWARD_CALL_IND_LENGTH, indicators);
|
|
|
|
|
|
proto_item_set_text(parameter_item,"Optional forward call indicators: %s (%u)", val_to_str(indicators & BA_8BIT_MASK, isup_CUG_call_ind_value, "spare"),indicators );
|
|
}
|
|
/* ------------------------------------------------------------------
|
|
Dissector Parameter calling party number
|
|
*/
|
|
void
|
|
dissect_isup_calling_party_number_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
proto_item *address_digits_item;
|
|
proto_tree *address_digits_tree;
|
|
guint8 indicators1, indicators2;
|
|
guint8 address_digit_pair=0;
|
|
gint offset=0;
|
|
gint i=0;
|
|
gint length;
|
|
char calling_number[MAXLENGTH]="";
|
|
|
|
indicators1 = tvb_get_guint8(parameter_tvb, 0);
|
|
proto_tree_add_boolean(parameter_tree, hf_isup_odd_even_indicator, parameter_tvb, 0, 1, indicators1);
|
|
proto_tree_add_uint(parameter_tree, hf_isup_calling_party_nature_of_address_indicator, parameter_tvb, 0, 1, indicators1);
|
|
indicators2 = tvb_get_guint8(parameter_tvb, 1);
|
|
proto_tree_add_boolean(parameter_tree, hf_isup_ni_indicator, parameter_tvb, 1, 1, indicators2);
|
|
proto_tree_add_uint(parameter_tree, hf_isup_numbering_plan_indicator, parameter_tvb, 1, 1, indicators2);
|
|
proto_tree_add_uint(parameter_tree, hf_isup_address_presentation_restricted_indicator, parameter_tvb, 1, 1, indicators2);
|
|
proto_tree_add_uint(parameter_tree, hf_isup_screening_indicator, parameter_tvb, 1, 1, indicators2);
|
|
offset = 2;
|
|
|
|
address_digits_item = proto_tree_add_notext(parameter_tree, parameter_tvb, offset, tvb_length_remaining(parameter_tvb, offset));
|
|
address_digits_tree = proto_item_add_subtree(address_digits_item, ett_isup_address_digits);
|
|
|
|
length = tvb_length_remaining(parameter_tvb, offset);
|
|
while(length > 0){
|
|
address_digit_pair = tvb_get_guint8(parameter_tvb, offset);
|
|
proto_tree_add_uint(address_digits_tree, hf_isup_calling_party_odd_address_signal_digit, parameter_tvb, offset, 1, address_digit_pair);
|
|
calling_number[i++] = number_to_char(address_digit_pair & ISUP_ODD_ADDRESS_SIGNAL_DIGIT_MASK);
|
|
if ((length - 1) > 0 ){
|
|
proto_tree_add_uint(address_digits_tree, hf_isup_calling_party_even_address_signal_digit, parameter_tvb, offset, 1, address_digit_pair);
|
|
calling_number[i++] = number_to_char((address_digit_pair & ISUP_EVEN_ADDRESS_SIGNAL_DIGIT_MASK) / 0x10);
|
|
}
|
|
offset++;
|
|
length = tvb_length_remaining(parameter_tvb, offset);
|
|
}
|
|
|
|
if (((indicators1 & 0x80) == 0) && (tvb_length(parameter_tvb) > 0)){ /* Even Indicator set -> last even digit is valid & has be displayed */
|
|
proto_tree_add_uint(address_digits_tree, hf_isup_calling_party_even_address_signal_digit, parameter_tvb, offset - 1, 1, address_digit_pair);
|
|
calling_number[i++] = number_to_char((address_digit_pair & ISUP_EVEN_ADDRESS_SIGNAL_DIGIT_MASK) / 0x10);
|
|
}
|
|
calling_number[i++] = '\0';
|
|
|
|
proto_item_set_text(address_digits_item, "Calling Party Number: %s", calling_number);
|
|
proto_item_set_text(parameter_item, "Calling Party Number: %s", calling_number);
|
|
|
|
}
|
|
/* ------------------------------------------------------------------
|
|
Dissector Parameter Original called number
|
|
*/
|
|
void
|
|
dissect_isup_original_called_number_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
proto_item *address_digits_item;
|
|
proto_tree *address_digits_tree;
|
|
guint8 indicators1, indicators2;
|
|
guint8 address_digit_pair=0;
|
|
gint offset=0;
|
|
gint i=0;
|
|
gint length;
|
|
char calling_number[MAXLENGTH]="";
|
|
|
|
indicators1 = tvb_get_guint8(parameter_tvb, 0);
|
|
proto_tree_add_boolean(parameter_tree, hf_isup_odd_even_indicator, parameter_tvb, 0, 1, indicators1);
|
|
proto_tree_add_uint(parameter_tree, hf_isup_calling_party_nature_of_address_indicator, parameter_tvb, 0, 1, indicators1);
|
|
indicators2 = tvb_get_guint8(parameter_tvb, 1);
|
|
proto_tree_add_uint(parameter_tree, hf_isup_numbering_plan_indicator, parameter_tvb, 1, 1, indicators2);
|
|
proto_tree_add_uint(parameter_tree, hf_isup_address_presentation_restricted_indicator, parameter_tvb, 1, 1, indicators2);
|
|
offset = 2;
|
|
|
|
address_digits_item = proto_tree_add_notext(parameter_tree, parameter_tvb, offset, tvb_length_remaining(parameter_tvb, offset));
|
|
address_digits_tree = proto_item_add_subtree(address_digits_item, ett_isup_address_digits);
|
|
|
|
length = tvb_length_remaining(parameter_tvb, offset);
|
|
while(length > 0){
|
|
address_digit_pair = tvb_get_guint8(parameter_tvb, offset);
|
|
proto_tree_add_uint(address_digits_tree, hf_isup_calling_party_odd_address_signal_digit, parameter_tvb, offset, 1, address_digit_pair);
|
|
calling_number[i++] = number_to_char(address_digit_pair & ISUP_ODD_ADDRESS_SIGNAL_DIGIT_MASK);
|
|
if ((length - 1) > 0 ){
|
|
proto_tree_add_uint(address_digits_tree, hf_isup_calling_party_even_address_signal_digit, parameter_tvb, offset, 1, address_digit_pair);
|
|
calling_number[i++] = number_to_char((address_digit_pair & ISUP_EVEN_ADDRESS_SIGNAL_DIGIT_MASK) / 0x10);
|
|
}
|
|
offset++;
|
|
length = tvb_length_remaining(parameter_tvb, offset);
|
|
}
|
|
|
|
if (((indicators1 & 0x80) == 0) && (tvb_length(parameter_tvb) > 0)){ /* Even Indicator set -> last even digit is valid & has be displayed */
|
|
proto_tree_add_uint(address_digits_tree, hf_isup_calling_party_even_address_signal_digit, parameter_tvb, offset - 1, 1, address_digit_pair);
|
|
calling_number[i++] = number_to_char((address_digit_pair & ISUP_EVEN_ADDRESS_SIGNAL_DIGIT_MASK) / 0x10);
|
|
}
|
|
calling_number[i++] = '\0';
|
|
|
|
proto_item_set_text(address_digits_item, "Original Called Number: %s", calling_number);
|
|
proto_item_set_text(parameter_item, "Original Called Number: %s", calling_number);
|
|
|
|
}
|
|
/* ------------------------------------------------------------------
|
|
Dissector Parameter Redirecting number
|
|
*/
|
|
void
|
|
dissect_isup_redirecting_number_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
proto_item *address_digits_item;
|
|
proto_tree *address_digits_tree;
|
|
guint8 indicators1, indicators2;
|
|
guint8 address_digit_pair=0;
|
|
gint offset=0;
|
|
gint i=0;
|
|
gint length;
|
|
char calling_number[MAXLENGTH]="";
|
|
|
|
indicators1 = tvb_get_guint8(parameter_tvb, 0);
|
|
proto_tree_add_boolean(parameter_tree, hf_isup_odd_even_indicator, parameter_tvb, 0, 1, indicators1);
|
|
proto_tree_add_uint(parameter_tree, hf_isup_calling_party_nature_of_address_indicator, parameter_tvb, 0, 1, indicators1);
|
|
indicators2 = tvb_get_guint8(parameter_tvb, 1);
|
|
proto_tree_add_uint(parameter_tree, hf_isup_numbering_plan_indicator, parameter_tvb, 1, 1, indicators2);
|
|
proto_tree_add_uint(parameter_tree, hf_isup_address_presentation_restricted_indicator, parameter_tvb, 1, 1, indicators2);
|
|
offset = 2;
|
|
|
|
address_digits_item = proto_tree_add_notext(parameter_tree, parameter_tvb, offset, tvb_length_remaining(parameter_tvb, offset));
|
|
address_digits_tree = proto_item_add_subtree(address_digits_item, ett_isup_address_digits);
|
|
|
|
length = tvb_length_remaining(parameter_tvb, offset);
|
|
while(length > 0){
|
|
address_digit_pair = tvb_get_guint8(parameter_tvb, offset);
|
|
proto_tree_add_uint(address_digits_tree, hf_isup_calling_party_odd_address_signal_digit, parameter_tvb, offset, 1, address_digit_pair);
|
|
calling_number[i++] = number_to_char(address_digit_pair & ISUP_ODD_ADDRESS_SIGNAL_DIGIT_MASK);
|
|
if ((length - 1) > 0 ){
|
|
proto_tree_add_uint(address_digits_tree, hf_isup_calling_party_even_address_signal_digit, parameter_tvb, offset, 1, address_digit_pair);
|
|
calling_number[i++] = number_to_char((address_digit_pair & ISUP_EVEN_ADDRESS_SIGNAL_DIGIT_MASK) / 0x10);
|
|
}
|
|
offset++;
|
|
length = tvb_length_remaining(parameter_tvb, offset);
|
|
}
|
|
|
|
if (((indicators1 & 0x80) == 0) && (tvb_length(parameter_tvb) > 0)){ /* Even Indicator set -> last even digit is valid & has be displayed */
|
|
proto_tree_add_uint(address_digits_tree, hf_isup_calling_party_even_address_signal_digit, parameter_tvb, offset - 1, 1, address_digit_pair);
|
|
calling_number[i++] = number_to_char((address_digit_pair & ISUP_EVEN_ADDRESS_SIGNAL_DIGIT_MASK) / 0x10);
|
|
}
|
|
calling_number[i++] = '\0';
|
|
|
|
proto_item_set_text(address_digits_item, "Redirecting Number: %s", calling_number);
|
|
proto_item_set_text(parameter_item, "Redirecting Number: %s", calling_number);
|
|
|
|
}
|
|
/* ------------------------------------------------------------------
|
|
Dissector Parameter Redirection number
|
|
*/
|
|
void dissect_isup_redirection_number_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
proto_item *address_digits_item;
|
|
proto_tree *address_digits_tree;
|
|
guint8 indicators1, indicators2;
|
|
guint8 address_digit_pair=0;
|
|
gint offset=0;
|
|
gint i=0;
|
|
gint length;
|
|
char called_number[MAXLENGTH]="";
|
|
|
|
indicators1 = tvb_get_guint8(parameter_tvb, 0);
|
|
proto_tree_add_boolean(parameter_tree, hf_isup_odd_even_indicator, parameter_tvb, 0, 1, indicators1);
|
|
proto_tree_add_uint(parameter_tree, hf_isup_called_party_nature_of_address_indicator, parameter_tvb, 0, 1, indicators1);
|
|
indicators2 = tvb_get_guint8(parameter_tvb, 1);
|
|
proto_tree_add_boolean(parameter_tree, hf_isup_inn_indicator, parameter_tvb, 1, 1, indicators2);
|
|
proto_tree_add_uint(parameter_tree, hf_isup_numbering_plan_indicator, parameter_tvb, 1, 1, indicators2);
|
|
offset = 2;
|
|
|
|
address_digits_item = proto_tree_add_notext(parameter_tree, parameter_tvb, offset, tvb_length_remaining(parameter_tvb, offset));
|
|
address_digits_tree = proto_item_add_subtree(address_digits_item, ett_isup_address_digits);
|
|
|
|
length = tvb_length_remaining(parameter_tvb, offset);
|
|
while(length > 0){
|
|
address_digit_pair = tvb_get_guint8(parameter_tvb, offset);
|
|
proto_tree_add_uint(address_digits_tree, hf_isup_called_party_odd_address_signal_digit, parameter_tvb, offset, 1, address_digit_pair);
|
|
called_number[i++] = number_to_char(address_digit_pair & ISUP_ODD_ADDRESS_SIGNAL_DIGIT_MASK);
|
|
if ((length - 1) > 0 ){
|
|
proto_tree_add_uint(address_digits_tree, hf_isup_called_party_even_address_signal_digit, parameter_tvb, offset, 1, address_digit_pair);
|
|
called_number[i++] = number_to_char((address_digit_pair & ISUP_EVEN_ADDRESS_SIGNAL_DIGIT_MASK) / 0x10);
|
|
}
|
|
offset++;
|
|
length = tvb_length_remaining(parameter_tvb, offset);
|
|
}
|
|
|
|
if (((indicators1 & 0x80) == 0) && (tvb_length(parameter_tvb) > 0)){ /* Even Indicator set -> last even digit is valid & has be displayed */
|
|
proto_tree_add_uint(address_digits_tree, hf_isup_called_party_even_address_signal_digit, parameter_tvb, offset - 1, 1, address_digit_pair);
|
|
called_number[i++] = number_to_char((address_digit_pair & ISUP_EVEN_ADDRESS_SIGNAL_DIGIT_MASK) / 0x10);
|
|
}
|
|
called_number[i++] = '\0';
|
|
|
|
proto_item_set_text(address_digits_item, "Redirection Number: %s", called_number);
|
|
proto_item_set_text(parameter_item, "Redirection Number: %s", called_number);
|
|
}
|
|
/* ------------------------------------------------------------------
|
|
Dissector Parameter Connection request
|
|
*/
|
|
void
|
|
dissect_isup_connection_request_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
guint32 local_ref;
|
|
guint16 spc;
|
|
guint8 protocol_class, credit, offset=0;
|
|
|
|
local_ref = tvb_get_ntoh24(parameter_tvb, 0);
|
|
proto_tree_add_text(parameter_item, parameter_tvb, offset, LOCAL_REF_LENGTH, "Local Reference: %u", local_ref);
|
|
offset = LOCAL_REF_LENGTH;
|
|
spc = tvb_get_letohs(parameter_tvb,offset) & 0x3FFF; /*since 1st 2 bits spare */
|
|
proto_tree_add_text(parameter_item, parameter_tvb, offset, SPC_LENGTH, "Signalling Point Code: %u", spc);
|
|
offset += SPC_LENGTH;
|
|
protocol_class = tvb_get_guint8(parameter_tvb, offset);
|
|
proto_tree_add_text(parameter_item, parameter_tvb, offset, PROTOCOL_CLASS_LENGTH, "Protocol Class: %u", protocol_class);
|
|
offset += PROTOCOL_CLASS_LENGTH;
|
|
credit = tvb_get_guint8(parameter_tvb, offset);
|
|
proto_tree_add_text(parameter_item, parameter_tvb, offset, CREDIT_LENGTH, "Credit: %u", credit);
|
|
offset += CREDIT_LENGTH;
|
|
|
|
proto_item_set_text(parameter_item, "Connection request: Local Reference = %u, SPC = %u, Protocol Class = %u, Credit = %u", local_ref, spc, protocol_class, credit);
|
|
}
|
|
/* ------------------------------------------------------------------
|
|
Dissector Parameter Redirection information
|
|
*/
|
|
void
|
|
dissect_isup_redirection_information_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
if (tvb_length(parameter_tvb) == 2){
|
|
guint16 indicators;
|
|
indicators = tvb_get_ntohs(parameter_tvb, 0);
|
|
proto_tree_add_uint(parameter_tree, hf_isup_redirecting_ind, parameter_tvb,0 , REDIRECTION_INFO_LENGTH, indicators);
|
|
proto_tree_add_uint(parameter_tree, hf_isup_original_redirection_reason, parameter_tvb,0 , REDIRECTION_INFO_LENGTH, indicators);
|
|
proto_tree_add_uint(parameter_tree, hf_isup_redirection_counter, parameter_tvb,0 , REDIRECTION_INFO_LENGTH, indicators);
|
|
proto_tree_add_uint(parameter_tree, hf_isup_redirection_reason, parameter_tvb,0 , REDIRECTION_INFO_LENGTH, indicators);
|
|
proto_item_set_text(parameter_item, "Redirection Information");
|
|
}
|
|
else { /* ISUP'88 (blue book) */
|
|
guint16 indicators;
|
|
indicators = tvb_get_guint8(parameter_tvb, 0) * 0x100; /*since 2nd octet isn't present*/
|
|
proto_tree_add_uint(parameter_tree, hf_isup_redirecting_ind, parameter_tvb, 0, 1, indicators);
|
|
proto_tree_add_uint(parameter_tree, hf_isup_original_redirection_reason, parameter_tvb,0 , 1, indicators);
|
|
proto_item_set_text(parameter_item, "Redirection Information (2nd octet not present since ISUP '88)");
|
|
}
|
|
}
|
|
/* ------------------------------------------------------------------
|
|
Dissector Parameter Closed user group interlock code
|
|
*/
|
|
void dissect_isup_closed_user_group_interlock_code_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
char NI_digits[5]="";
|
|
guint8 digit_pair;
|
|
guint16 bin_code;
|
|
|
|
digit_pair = tvb_get_guint8(parameter_tvb, 0);
|
|
NI_digits[0] = number_to_char((digit_pair & HGFE_8BIT_MASK) / 0x10);
|
|
NI_digits[1] = number_to_char(digit_pair & DCBA_8BIT_MASK);
|
|
digit_pair = tvb_get_guint8(parameter_tvb, 1);
|
|
NI_digits[2] = number_to_char((digit_pair & HGFE_8BIT_MASK) / 0x10);
|
|
NI_digits[3] = number_to_char(digit_pair & DCBA_8BIT_MASK);
|
|
NI_digits[4] = '\0';
|
|
proto_tree_add_text(parameter_item, parameter_tvb, 0, 2, "Network Identity: %s", NI_digits);
|
|
bin_code = tvb_get_ntohs(parameter_tvb, 2);
|
|
proto_tree_add_text(parameter_item, parameter_tvb, 3, 2, "Binary Code: 0x%x", bin_code);
|
|
proto_item_set_text(parameter_item, "Closed user group interlock code: NI = %s, Binary code = 0x%x", NI_digits, bin_code);
|
|
}
|
|
/* ------------------------------------------------------------------
|
|
Dissector Parameter User service information- no detailed dissection since defined in Rec. Q.931
|
|
*/
|
|
void
|
|
dissect_isup_user_service_information_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{ guint length = tvb_length(parameter_tvb);
|
|
proto_tree_add_text(parameter_item, parameter_tvb, 0, length, "User service information (-> Q.931)");
|
|
proto_item_set_text(parameter_item, "User service information, see Q.931 (%u byte%s length)", length , plurality(length, "", "s"));
|
|
}
|
|
/* ------------------------------------------------------------------
|
|
Dissector Parameter Signalling point code
|
|
*/
|
|
void
|
|
dissect_isup_signalling_point_code_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
guint16 spc;
|
|
|
|
spc = tvb_get_letohs(parameter_tvb, 0) & 0x3FFF; /*since 1st 2 bits spare */
|
|
proto_tree_add_text(parameter_item, parameter_tvb, 0, SIGNALLING_POINT_CODE_LENGTH, "Signalling Point Code: %u", spc);
|
|
|
|
proto_item_set_text(parameter_item, "Signalling point code: %u", spc);
|
|
}
|
|
/* ------------------------------------------------------------------
|
|
Dissector Parameter Connected number
|
|
*/
|
|
void
|
|
dissect_isup_connected_number_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
proto_item *address_digits_item;
|
|
proto_tree *address_digits_tree;
|
|
guint8 indicators1, indicators2;
|
|
guint8 address_digit_pair=0;
|
|
gint offset=0;
|
|
gint i=0;
|
|
gint length;
|
|
char calling_number[MAXLENGTH]="";
|
|
|
|
indicators1 = tvb_get_guint8(parameter_tvb, 0);
|
|
proto_tree_add_boolean(parameter_tree, hf_isup_odd_even_indicator, parameter_tvb, 0, 1, indicators1);
|
|
proto_tree_add_uint(parameter_tree, hf_isup_calling_party_nature_of_address_indicator, parameter_tvb, 0, 1, indicators1);
|
|
indicators2 = tvb_get_guint8(parameter_tvb, 1);
|
|
proto_tree_add_uint(parameter_tree, hf_isup_numbering_plan_indicator, parameter_tvb, 1, 1, indicators2);
|
|
proto_tree_add_uint(parameter_tree, hf_isup_address_presentation_restricted_indicator, parameter_tvb, 1, 1, indicators2);
|
|
proto_tree_add_uint(parameter_tree, hf_isup_screening_indicator, parameter_tvb, 1, 1, indicators2);
|
|
offset = 2;
|
|
|
|
address_digits_item = proto_tree_add_notext(parameter_tree, parameter_tvb, offset, tvb_length_remaining(parameter_tvb, offset));
|
|
address_digits_tree = proto_item_add_subtree(address_digits_item, ett_isup_address_digits);
|
|
|
|
length = tvb_length_remaining(parameter_tvb, offset);
|
|
while(length > 0){
|
|
address_digit_pair = tvb_get_guint8(parameter_tvb, offset);
|
|
proto_tree_add_uint(address_digits_tree, hf_isup_calling_party_odd_address_signal_digit, parameter_tvb, offset, 1, address_digit_pair);
|
|
calling_number[i++] = number_to_char(address_digit_pair & ISUP_ODD_ADDRESS_SIGNAL_DIGIT_MASK);
|
|
if ((length - 1) > 0 ){
|
|
proto_tree_add_uint(address_digits_tree, hf_isup_calling_party_even_address_signal_digit, parameter_tvb, offset, 1, address_digit_pair);
|
|
calling_number[i++] = number_to_char((address_digit_pair & ISUP_EVEN_ADDRESS_SIGNAL_DIGIT_MASK) / 0x10);
|
|
}
|
|
offset++;
|
|
length = tvb_length_remaining(parameter_tvb, offset);
|
|
}
|
|
|
|
if (((indicators1 & 0x80) == 0) && (tvb_length(parameter_tvb) > 0)){ /* Even Indicator set -> last even digit is valid & has be displayed */
|
|
proto_tree_add_uint(address_digits_tree, hf_isup_calling_party_even_address_signal_digit, parameter_tvb, offset - 1, 1, address_digit_pair);
|
|
calling_number[i++] = number_to_char((address_digit_pair & ISUP_EVEN_ADDRESS_SIGNAL_DIGIT_MASK) / 0x10);
|
|
}
|
|
calling_number[i++] = '\0';
|
|
|
|
proto_item_set_text(address_digits_item, "Connected Number: %s", calling_number);
|
|
proto_item_set_text(parameter_item, "Connected Number: %s", calling_number);
|
|
|
|
}
|
|
/* ------------------------------------------------------------------
|
|
Dissector Transit network selection
|
|
*/
|
|
void
|
|
dissect_isup_transit_network_selection_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
proto_item *address_digits_item;
|
|
proto_tree *address_digits_tree;
|
|
guint8 indicators;
|
|
guint8 address_digit_pair=0;
|
|
gint offset=0;
|
|
gint i=0;
|
|
gint length;
|
|
char network_id[MAXLENGTH]="";
|
|
|
|
indicators = tvb_get_guint8(parameter_tvb, 0);
|
|
proto_tree_add_boolean(parameter_tree, hf_isup_odd_even_indicator, parameter_tvb, 0, 1, indicators);
|
|
proto_tree_add_uint(parameter_tree, hf_isup_type_of_network_identification, parameter_tvb, 0, 1, indicators);
|
|
proto_tree_add_uint(parameter_tree, hf_isup_network_identification_plan, parameter_tvb, 0, 1, indicators);
|
|
offset = 1;
|
|
|
|
address_digits_item = proto_tree_add_notext(parameter_tree, parameter_tvb, offset, tvb_length_remaining(parameter_tvb, offset));
|
|
address_digits_tree = proto_item_add_subtree(address_digits_item, ett_isup_address_digits);
|
|
|
|
length = tvb_length_remaining(parameter_tvb, offset);
|
|
while(length > 0){
|
|
address_digit_pair = tvb_get_guint8(parameter_tvb, offset);
|
|
proto_tree_add_uint(address_digits_tree, hf_isup_calling_party_odd_address_signal_digit, parameter_tvb, offset, 1, address_digit_pair);
|
|
network_id[i++] = number_to_char(address_digit_pair & ISUP_ODD_ADDRESS_SIGNAL_DIGIT_MASK);
|
|
if ((length - 1) > 0 ){
|
|
proto_tree_add_uint(address_digits_tree, hf_isup_calling_party_even_address_signal_digit, parameter_tvb, offset, 1, address_digit_pair);
|
|
network_id[i++] = number_to_char((address_digit_pair & ISUP_EVEN_ADDRESS_SIGNAL_DIGIT_MASK) / 0x10);
|
|
}
|
|
offset++;
|
|
length = tvb_length_remaining(parameter_tvb, offset);
|
|
}
|
|
|
|
if (((indicators & 0x80) == 0) && (tvb_length(parameter_tvb) > 0)){ /* Even Indicator set -> last even digit is valid & has be displayed */
|
|
proto_tree_add_uint(address_digits_tree, hf_isup_calling_party_even_address_signal_digit, parameter_tvb, offset - 1, 1, address_digit_pair);
|
|
network_id[i++] = number_to_char((address_digit_pair & ISUP_EVEN_ADDRESS_SIGNAL_DIGIT_MASK) / 0x10);
|
|
}
|
|
network_id[i++] = '\0';
|
|
|
|
proto_item_set_text(address_digits_item, "Network identification: %s", network_id);
|
|
proto_item_set_text(parameter_item, "Transit network selection: %s", network_id);
|
|
|
|
}
|
|
/* ------------------------------------------------------------------
|
|
Dissector Parameter Circuit assignment map
|
|
*/
|
|
void
|
|
dissect_isup_circuit_assignment_map_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{ guint8 map_type;
|
|
|
|
map_type = tvb_get_guint8(parameter_tvb, 0);
|
|
proto_tree_add_uint(parameter_tree, hf_isup_map_type, parameter_tvb, 0, 1, map_type);
|
|
proto_tree_add_text(parameter_item, parameter_tvb, 1, 5, "Circuit assignment map (bit position indicates usage of corresponding circuit->3.69/Q.763)");
|
|
proto_item_set_text(parameter_item, "Circuit assignment map");
|
|
}
|
|
/* ------------------------------------------------------------------
|
|
Dissector Parameter Automatic congestion level
|
|
*/
|
|
void
|
|
dissect_isup_automatic_congestion_level_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{ guint8 congestion_level;
|
|
|
|
congestion_level = tvb_get_guint8(parameter_tvb, 0);
|
|
proto_tree_add_uint(parameter_tree, hf_isup_automatic_congestion_level, parameter_tvb, 0, AUTO_CONGEST_LEVEL_LENGTH, congestion_level);
|
|
proto_item_set_text(parameter_item, "Automatic congestion level: %s (%u)", val_to_str(congestion_level, isup_auto_congestion_level_value, "spare"), congestion_level);
|
|
}
|
|
/* ------------------------------------------------------------------
|
|
Dissector Parameter Optional backward Call indicators
|
|
*/
|
|
void
|
|
dissect_isup_optional_backward_call_indicators_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
guint8 indicators;
|
|
|
|
indicators = tvb_get_guint8(parameter_tvb, 0);
|
|
proto_tree_add_boolean(parameter_tree, hf_isup_inband_information_ind, parameter_tvb, 0, OPTIONAL_BACKWARD_CALL_IND_LENGTH, indicators);
|
|
proto_tree_add_boolean(parameter_tree, hf_isup_call_diversion_may_occur_ind, parameter_tvb, 0, OPTIONAL_BACKWARD_CALL_IND_LENGTH, indicators);
|
|
proto_tree_add_boolean(parameter_tree, hf_isup_simple_segmentation_ind, parameter_tvb, 0, OPTIONAL_BACKWARD_CALL_IND_LENGTH, indicators);
|
|
proto_tree_add_boolean(parameter_tree, hf_isup_mlpp_user_ind, parameter_tvb, 0, OPTIONAL_BACKWARD_CALL_IND_LENGTH, indicators);
|
|
|
|
|
|
proto_item_set_text(parameter_item,"Optional backward call indicators: 0x%x", indicators );
|
|
}
|
|
/* ------------------------------------------------------------------
|
|
Dissector Parameter User-to-user indicators
|
|
*/
|
|
void
|
|
dissect_isup_user_to_user_indicators_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
guint8 indicators;
|
|
|
|
indicators = tvb_get_guint8(parameter_tvb, 0);
|
|
proto_tree_add_text(parameter_item, parameter_tvb, 0, USER_TO_USER_IND_LENGTH, "User-to-user indicators: 0x%x (refer to 3.60/Q.763 for detailed decoding)", indicators );
|
|
proto_item_set_text(parameter_item,"User-to-user indicators: 0x%x", indicators );
|
|
}
|
|
/* ------------------------------------------------------------------
|
|
Dissector Parameter Original ISC point code
|
|
*/
|
|
void
|
|
dissect_isup_original_isc_point_code_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
guint16 spc;
|
|
|
|
spc = tvb_get_letohs(parameter_tvb, 0) & 0x3FFF; /*since 1st 2 bits spare */
|
|
proto_tree_add_text(parameter_item, parameter_tvb, 0, ORIGINAL_ISC_POINT_CODE_LENGTH, "Origination ISC Point Code: %u", spc);
|
|
|
|
proto_item_set_text(parameter_item, "Origination ISC point code: %u", spc);
|
|
}
|
|
/* ------------------------------------------------------------------
|
|
Dissector Parameter Generic notification indicator
|
|
*/
|
|
void
|
|
dissect_isup_generic_notification_indicator_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
guint8 indicators;
|
|
|
|
indicators = tvb_get_guint8(parameter_tvb, 0);
|
|
proto_tree_add_text(parameter_item, parameter_tvb, 0, GENERIC_NOTIFICATION_IND_LENGTH, "Generic notification indicator: 0x%x (refer to 3.25/Q.763 for detailed decoding)", indicators );
|
|
proto_item_set_text(parameter_item,"Generic notification indicator: 0x%x", indicators );
|
|
}
|
|
/* ------------------------------------------------------------------
|
|
Dissector Parameter Call history information
|
|
*/
|
|
void
|
|
dissect_isup_call_history_information_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
guint16 info;
|
|
|
|
info = tvb_get_ntohs(parameter_tvb, 0);
|
|
proto_tree_add_text(parameter_item, parameter_tvb, 0, CALL_HISTORY_INFO_LENGTH, "Call history info: propagation delay = %u ms", info);
|
|
proto_item_set_text(parameter_item,"Call history info: propagation delay = %u ms", info);
|
|
}
|
|
/* ------------------------------------------------------------------
|
|
Dissector Parameter Access delivery information
|
|
*/
|
|
void
|
|
dissect_isup_access_delivery_information_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{ guint8 indicator;
|
|
|
|
indicator = tvb_get_guint8(parameter_tvb, 0);
|
|
proto_tree_add_boolean(parameter_tree, hf_isup_access_delivery_ind, parameter_tvb, 0, ACCESS_DELIVERY_INFO_LENGTH, indicator);
|
|
proto_item_set_text(parameter_item, "Access delivery information: 0x%x", indicator);
|
|
}
|
|
/* ------------------------------------------------------------------
|
|
Dissector Parameter Network specific facility
|
|
*/
|
|
void
|
|
dissect_isup_network_specific_facility_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{ guint length = tvb_length(parameter_tvb);
|
|
proto_tree_add_text(parameter_item, parameter_tvb, 0, length, "Network specific facility (refer to 3.36/Q.763 for detailed decoding)");
|
|
proto_item_set_text(parameter_item, "Network specific facility (%u byte%s length)", length , plurality(length, "", "s"));
|
|
}
|
|
/* ------------------------------------------------------------------
|
|
Dissector Parameter User service information prime
|
|
*/
|
|
void
|
|
dissect_isup_user_service_information_prime_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{ guint length = tvb_length(parameter_tvb);
|
|
proto_tree_add_text(parameter_item, parameter_tvb, 0, length, "User service information prime (-> Q.931)");
|
|
proto_item_set_text(parameter_item, "User service information prime, see Q.931 (%u byte%s length)", length , plurality(length, "", "s"));
|
|
}
|
|
/* ------------------------------------------------------------------
|
|
Dissector Parameter Propagation delay counter
|
|
*/
|
|
void
|
|
dissect_isup_propagation_delay_counter_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
guint16 info;
|
|
|
|
info = tvb_get_ntohs(parameter_tvb, 0);
|
|
proto_tree_add_text(parameter_item, parameter_tvb, 0, PROPAGATION_DELAY_COUNT_LENGTH, "Propagation delay counter = %u ms", info);
|
|
proto_item_set_text(parameter_item,"Propagation delay counter = %u ms", info);
|
|
}
|
|
/* ------------------------------------------------------------------
|
|
Dissector Parameter Remote operations
|
|
*/
|
|
void
|
|
dissect_isup_remote_operations_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{ guint length = tvb_length(parameter_tvb);
|
|
proto_tree_add_text(parameter_item, parameter_tvb, 0, length, "Remote operations");
|
|
proto_item_set_text(parameter_item, "Remote operations (%u byte%s length)", length , plurality(length, "", "s"));
|
|
}
|
|
/* ------------------------------------------------------------------
|
|
Dissector Parameter Service activation
|
|
*/
|
|
void
|
|
dissect_isup_service_activation_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
guint i;
|
|
guint8 feature_code;
|
|
guint length = tvb_length(parameter_tvb);
|
|
for (i=0; i< length; i++){
|
|
feature_code = tvb_get_guint8(parameter_tvb, i);
|
|
proto_tree_add_text(parameter_item, parameter_tvb, i, 1, "Feature Code %u: %u", i+1, feature_code);
|
|
}
|
|
proto_item_set_text(parameter_item, "Service Activation (%u byte%s length)", length , plurality(length, "", "s"));
|
|
}
|
|
/* ------------------------------------------------------------------
|
|
Dissector Parameter User service information prime - no detailed dissection since defined in Rec. Q.931
|
|
*/
|
|
void
|
|
dissect_isup_user_teleservice_information_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
proto_tree_add_text(parameter_item, parameter_tvb, 0, USER_TELESERVICE_INFO_LENGTH, "User teleservice information (-> Q.931)");
|
|
proto_item_set_text(parameter_item, "User teleservice information, see Q.931");
|
|
}
|
|
/* ------------------------------------------------------------------
|
|
Dissector Parameter Transmission medium requirement used
|
|
*/
|
|
void
|
|
dissect_isup_transmission_medium_used_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
guint8 transmission_medium_requirement;
|
|
|
|
transmission_medium_requirement = tvb_get_guint8(parameter_tvb, 0);
|
|
proto_tree_add_uint(parameter_tree, hf_isup_transmission_medium_requirement_prime, parameter_tvb, 0, TRANSMISSION_MEDIUM_RQMT_PRIME_LENGTH,transmission_medium_requirement);
|
|
|
|
proto_item_set_text(parameter_item, "Transmission medium used: %u (%s)", transmission_medium_requirement, val_to_str(transmission_medium_requirement, isup_transmission_medium_requirement_prime_value, "spare/reserved"));
|
|
}
|
|
/* ------------------------------------------------------------------
|
|
Dissector Parameter Call diversion information
|
|
*/
|
|
void
|
|
dissect_isup_call_diversion_information_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{ guint8 indicator;
|
|
|
|
indicator = tvb_get_guint8(parameter_tvb, 0);
|
|
proto_tree_add_text(parameter_item, parameter_tvb, 0, CALL_DIV_INFO_LENGTH, "Call diversion information: 0x%x (refer to 3.6/Q.763 for detailed decoding)", indicator);
|
|
proto_item_set_text(parameter_item, "Call diversion information: 0x%x", indicator);
|
|
}
|
|
/* ------------------------------------------------------------------
|
|
Dissector Parameter Echo control information
|
|
*/
|
|
void
|
|
dissect_isup_echo_control_information_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{ guint8 indicator;
|
|
|
|
indicator = tvb_get_guint8(parameter_tvb, 0);
|
|
proto_tree_add_text(parameter_item, parameter_tvb, 0, ECHO_CONTROL_INFO_LENGTH, "Echo control information: 0x%x (refer to 3.19/Q.763 for detailed decoding)", indicator);
|
|
proto_item_set_text(parameter_item, "Echo control information: 0x%x", indicator);
|
|
}
|
|
/* ------------------------------------------------------------------
|
|
Dissector Parameter Message compatibility information
|
|
*/
|
|
void
|
|
dissect_isup_message_compatibility_information_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{ guint length = tvb_length(parameter_tvb);
|
|
proto_tree_add_text(parameter_item, parameter_tvb, 0, length, "Message compatibility information (refer to 3.33/Q.763 for detailed decoding)");
|
|
proto_item_set_text(parameter_item, "Message compatibility information (%u byte%s length)", length , plurality(length, "", "s"));
|
|
}
|
|
/* ------------------------------------------------------------------
|
|
Dissector Parameter compatibility information
|
|
*/
|
|
void
|
|
dissect_isup_parameter_compatibility_information_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
guint length = tvb_length(parameter_tvb);
|
|
proto_tree_add_text(parameter_item, parameter_tvb, 0, length, "Parameter compatibility information (refer to 3.41/Q.763 for detailed decoding)");
|
|
proto_item_set_text(parameter_item, "Parameter compatibility information (%u byte%s length)", length , plurality(length, "", "s"));
|
|
}
|
|
/* ------------------------------------------------------------------
|
|
Dissector Parameter MLPP precedence
|
|
*/
|
|
void dissect_isup_mlpp_precedence_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
char NI_digits[5]="";
|
|
guint8 indicators, digit_pair;
|
|
guint32 bin_code;
|
|
|
|
indicators = tvb_get_guint8(parameter_tvb, 0);
|
|
proto_tree_add_text(parameter_item, parameter_tvb, 0, 1, "LFB (Bits 6+7) and precedence level (Bits 1-4): 0x%x",indicators);
|
|
digit_pair = tvb_get_guint8(parameter_tvb, 1);
|
|
NI_digits[0] = number_to_char((digit_pair & HGFE_8BIT_MASK) / 0x10);
|
|
NI_digits[1] = number_to_char(digit_pair & DCBA_8BIT_MASK);
|
|
digit_pair = tvb_get_guint8(parameter_tvb, 2);
|
|
NI_digits[2] = number_to_char((digit_pair & HGFE_8BIT_MASK) / 0x10);
|
|
NI_digits[3] = number_to_char(digit_pair & DCBA_8BIT_MASK);
|
|
NI_digits[4] = '\0';
|
|
proto_tree_add_text(parameter_item, parameter_tvb, 1, 2, "Network Identity: %s", NI_digits);
|
|
bin_code = tvb_get_ntoh24(parameter_tvb, 3);
|
|
proto_tree_add_text(parameter_item, parameter_tvb, 3, 3, "MLPP service domain: 0x%x", bin_code);
|
|
proto_item_set_text(parameter_item, "MLPP precedence: NI = %s, MLPP service domain = 0x%x", NI_digits, bin_code);
|
|
}
|
|
/* ------------------------------------------------------------------
|
|
Dissector Parameter MCID request indicators
|
|
*/
|
|
void
|
|
dissect_isup_mcid_request_indicators_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{ guint8 indicator;
|
|
|
|
indicator = tvb_get_guint8(parameter_tvb, 0);
|
|
proto_tree_add_text(parameter_item, parameter_tvb, 0,MCID_REQUEST_IND_LENGTH, "MCID request indicators: 0x%x (MCID requested by Bit1=1, Holding requested by Bit2=1 see 3.31/Q.763)", indicator);
|
|
proto_item_set_text(parameter_item, "MCID request indicators: 0x%x", indicator);
|
|
}
|
|
/* ------------------------------------------------------------------
|
|
Dissector Parameter MCID response indicators
|
|
*/
|
|
void
|
|
dissect_isup_mcid_response_indicators_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{ guint8 indicator;
|
|
|
|
indicator = tvb_get_guint8(parameter_tvb, 0);
|
|
proto_tree_add_text(parameter_item, parameter_tvb, 0,MCID_RESPONSE_IND_LENGTH, "MCID response indicators: 0x%x (MCID included if Bit1=1, Holding provided if Bit2=1 see 3.32/Q.763)", indicator);
|
|
proto_item_set_text(parameter_item, "MCID response indicators: 0x%x", indicator);
|
|
}
|
|
/* ------------------------------------------------------------------
|
|
Dissector Parameter Hop counter
|
|
*/
|
|
void
|
|
dissect_isup_hop_counter_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{ guint8 counter;
|
|
|
|
counter = tvb_get_guint8(parameter_tvb, 0) & EDCBA_8BIT_MASK; /* since bits H,G and F are spare */
|
|
proto_tree_add_text(parameter_item, parameter_tvb, 0, HOP_COUNTER_LENGTH, "Hop counter: %u", counter);
|
|
proto_item_set_text(parameter_item, "Hop counter: %u", counter);
|
|
}
|
|
/* ------------------------------------------------------------------
|
|
Dissector Parameter Transmission medium requirement prime
|
|
*/
|
|
void
|
|
dissect_isup_transmission_medium_requirement_prime_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
guint8 transmission_medium_requirement;
|
|
|
|
transmission_medium_requirement = tvb_get_guint8(parameter_tvb, 0);
|
|
proto_tree_add_uint(parameter_tree, hf_isup_transmission_medium_requirement_prime, parameter_tvb, 0, TRANSMISSION_MEDIUM_RQMT_PRIME_LENGTH,transmission_medium_requirement);
|
|
|
|
proto_item_set_text(parameter_item, "Transmission medium requirement prime: %u (%s)", transmission_medium_requirement, val_to_str(transmission_medium_requirement, isup_transmission_medium_requirement_prime_value, "spare/reserved"));
|
|
}
|
|
|
|
/* ------------------------------------------------------------------
|
|
Dissector Parameter location number
|
|
*/
|
|
void
|
|
dissect_isup_location_number_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
proto_item *address_digits_item;
|
|
proto_tree *address_digits_tree;
|
|
guint8 indicators1, indicators2;
|
|
guint8 address_digit_pair=0;
|
|
gint offset=0;
|
|
gint i=0;
|
|
gint length;
|
|
char calling_number[MAXLENGTH]="";
|
|
|
|
indicators1 = tvb_get_guint8(parameter_tvb, 0);
|
|
proto_tree_add_boolean(parameter_tree, hf_isup_odd_even_indicator, parameter_tvb, 0, 1, indicators1);
|
|
proto_tree_add_uint(parameter_tree, hf_isup_calling_party_nature_of_address_indicator, parameter_tvb, 0, 1, indicators1);
|
|
indicators2 = tvb_get_guint8(parameter_tvb, 1);
|
|
proto_tree_add_boolean(parameter_tree, hf_isup_inn_indicator, parameter_tvb, 1, 1, indicators2);
|
|
proto_tree_add_uint(parameter_tree, hf_isup_numbering_plan_indicator, parameter_tvb, 1, 1, indicators2);
|
|
if ((indicators2 & GFE_8BIT_MASK) == 0x50)
|
|
proto_tree_add_text(parameter_item, parameter_tvb, 1, 1, "Different meaning for Location Number: Numbering plan indicator = private numbering plan");
|
|
proto_tree_add_uint(parameter_tree, hf_isup_address_presentation_restricted_indicator, parameter_tvb, 1, 1, indicators2);
|
|
proto_tree_add_uint(parameter_tree, hf_isup_screening_indicator, parameter_tvb, 1, 1, indicators2);
|
|
offset = 2;
|
|
|
|
address_digits_item = proto_tree_add_notext(parameter_tree, parameter_tvb, offset, tvb_length_remaining(parameter_tvb, offset));
|
|
address_digits_tree = proto_item_add_subtree(address_digits_item, ett_isup_address_digits);
|
|
|
|
length = tvb_length_remaining(parameter_tvb, offset);
|
|
while(length > 0){
|
|
address_digit_pair = tvb_get_guint8(parameter_tvb, offset);
|
|
proto_tree_add_uint(address_digits_tree, hf_isup_calling_party_odd_address_signal_digit, parameter_tvb, offset, 1, address_digit_pair);
|
|
calling_number[i++] = number_to_char(address_digit_pair & ISUP_ODD_ADDRESS_SIGNAL_DIGIT_MASK);
|
|
if ((length - 1) > 0 ){
|
|
proto_tree_add_uint(address_digits_tree, hf_isup_calling_party_even_address_signal_digit, parameter_tvb, offset, 1, address_digit_pair);
|
|
calling_number[i++] = number_to_char((address_digit_pair & ISUP_EVEN_ADDRESS_SIGNAL_DIGIT_MASK) / 0x10);
|
|
}
|
|
offset++;
|
|
length = tvb_length_remaining(parameter_tvb, offset);
|
|
}
|
|
|
|
if (((indicators1 & 0x80) == 0) && (tvb_length(parameter_tvb) > 0)){ /* Even Indicator set -> last even digit is valid & has be displayed */
|
|
proto_tree_add_uint(address_digits_tree, hf_isup_calling_party_even_address_signal_digit, parameter_tvb, offset - 1, 1, address_digit_pair);
|
|
calling_number[i++] = number_to_char((address_digit_pair & ISUP_EVEN_ADDRESS_SIGNAL_DIGIT_MASK) / 0x10);
|
|
}
|
|
calling_number[i++] = '\0';
|
|
|
|
proto_item_set_text(address_digits_item, "Location number: %s", calling_number);
|
|
proto_item_set_text(parameter_item, "Location number: %s", calling_number);
|
|
|
|
}
|
|
/* ------------------------------------------------------------------
|
|
Dissector Parameter Redirection number restiriction
|
|
*/
|
|
void
|
|
dissect_isup_redirection_number_restriction_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
guint8 indicator;
|
|
|
|
indicator = tvb_get_guint8(parameter_tvb, 0);
|
|
switch (indicator & BA_8BIT_MASK) {
|
|
case 0:
|
|
proto_tree_add_text(parameter_item, parameter_tvb, 0, REDIRECTION_NUMBER_RESTRICTION_LENGTH, "Presentation indicator: Presentation allowed");
|
|
break;
|
|
case 1:
|
|
proto_tree_add_text(parameter_item, parameter_tvb, 0, REDIRECTION_NUMBER_RESTRICTION_LENGTH, "Presentation indicator: Presentation restricted");
|
|
break;
|
|
default:
|
|
proto_tree_add_text(parameter_item, parameter_tvb, 0, REDIRECTION_NUMBER_RESTRICTION_LENGTH, "Presentation indicator: spare");
|
|
break;
|
|
}
|
|
proto_item_set_text(parameter_item, "Redirection number restriction: 0x%x ", indicator);
|
|
}
|
|
/* ------------------------------------------------------------------
|
|
Dissector Parameter Call transfer identity
|
|
*/
|
|
void
|
|
dissect_isup_call_transfer_reference_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{ guint8 id;
|
|
|
|
id = tvb_get_guint8(parameter_tvb, 0);
|
|
proto_tree_add_text(parameter_item, parameter_tvb, 0, CALL_TRANSFER_REF_LENGTH, "Call transfer identity: %u", id);
|
|
proto_item_set_text(parameter_item, "Call transfer reference: %u", id);
|
|
}
|
|
/* ------------------------------------------------------------------
|
|
Dissector Parameter Loop prevention
|
|
*/
|
|
void
|
|
dissect_isup_loop_prevention_indicators_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
guint8 indicator;
|
|
|
|
indicator = tvb_get_guint8(parameter_tvb, 0);
|
|
if ((indicator & A_8BIT_MASK)==0) {
|
|
proto_tree_add_text(parameter_item, parameter_tvb, 0, LOOP_PREVENTION_IND_LENGTH, "Type: Request");
|
|
proto_item_set_text(parameter_item, "Loop prevention indicators: Request (%u)", indicator);
|
|
}
|
|
else {
|
|
proto_tree_add_text(parameter_item, parameter_tvb, 0, LOOP_PREVENTION_IND_LENGTH, "Type: Response");
|
|
proto_tree_add_uint(parameter_item, hf_isup_loop_prevention_response_ind, parameter_tvb, 0, LOOP_PREVENTION_IND_LENGTH, indicator);
|
|
proto_item_set_text(parameter_item, "Loop prevention indicators: Response (%u)", indicator);
|
|
}
|
|
}
|
|
/* ------------------------------------------------------------------
|
|
Dissector Parameter Call transfer number
|
|
*/
|
|
void
|
|
dissect_isup_call_transfer_number_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
proto_item *address_digits_item;
|
|
proto_tree *address_digits_tree;
|
|
guint8 indicators1, indicators2;
|
|
guint8 address_digit_pair=0;
|
|
gint offset=0;
|
|
gint i=0;
|
|
gint length;
|
|
char calling_number[MAXLENGTH]="";
|
|
|
|
indicators1 = tvb_get_guint8(parameter_tvb, 0);
|
|
proto_tree_add_boolean(parameter_tree, hf_isup_odd_even_indicator, parameter_tvb, 0, 1, indicators1);
|
|
proto_tree_add_uint(parameter_tree, hf_isup_calling_party_nature_of_address_indicator, parameter_tvb, 0, 1, indicators1);
|
|
indicators2 = tvb_get_guint8(parameter_tvb, 1);
|
|
proto_tree_add_uint(parameter_tree, hf_isup_numbering_plan_indicator, parameter_tvb, 1, 1, indicators2);
|
|
if ((indicators2 & GFE_8BIT_MASK) == 0x50)
|
|
proto_tree_add_text(parameter_item, parameter_tvb, 1, 1, "Different meaning for Call Transfer Number: Numbering plan indicator = private numbering plan");
|
|
proto_tree_add_uint(parameter_tree, hf_isup_address_presentation_restricted_indicator, parameter_tvb, 1, 1, indicators2);
|
|
proto_tree_add_uint(parameter_tree, hf_isup_screening_indicator_enhanced, parameter_tvb, 1, 1, indicators2);
|
|
offset = 2;
|
|
|
|
address_digits_item = proto_tree_add_notext(parameter_tree, parameter_tvb, offset, tvb_length_remaining(parameter_tvb, offset));
|
|
address_digits_tree = proto_item_add_subtree(address_digits_item, ett_isup_address_digits);
|
|
|
|
length = tvb_length_remaining(parameter_tvb, offset);
|
|
while(length > 0){
|
|
address_digit_pair = tvb_get_guint8(parameter_tvb, offset);
|
|
proto_tree_add_uint(address_digits_tree, hf_isup_calling_party_odd_address_signal_digit, parameter_tvb, offset, 1, address_digit_pair);
|
|
calling_number[i++] = number_to_char(address_digit_pair & ISUP_ODD_ADDRESS_SIGNAL_DIGIT_MASK);
|
|
if ((length - 1) > 0 ){
|
|
proto_tree_add_uint(address_digits_tree, hf_isup_calling_party_even_address_signal_digit, parameter_tvb, offset, 1, address_digit_pair);
|
|
calling_number[i++] = number_to_char((address_digit_pair & ISUP_EVEN_ADDRESS_SIGNAL_DIGIT_MASK) / 0x10);
|
|
}
|
|
offset++;
|
|
length = tvb_length_remaining(parameter_tvb, offset);
|
|
}
|
|
|
|
if (((indicators1 & 0x80) == 0) && (tvb_length(parameter_tvb) > 0)){ /* Even Indicator set -> last even digit is valid & has be displayed */
|
|
proto_tree_add_uint(address_digits_tree, hf_isup_calling_party_even_address_signal_digit, parameter_tvb, offset - 1, 1, address_digit_pair);
|
|
calling_number[i++] = number_to_char((address_digit_pair & ISUP_EVEN_ADDRESS_SIGNAL_DIGIT_MASK) / 0x10);
|
|
}
|
|
calling_number[i++] = '\0';
|
|
|
|
proto_item_set_text(address_digits_item, "Call transfer number: %s", calling_number);
|
|
proto_item_set_text(parameter_item, "Call transfer number: %s", calling_number);
|
|
|
|
}
|
|
/* ------------------------------------------------------------------
|
|
Dissector Parameter CCSS
|
|
*/
|
|
void
|
|
dissect_isup_ccss_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
guint8 indicator;
|
|
|
|
indicator = tvb_get_guint8(parameter_tvb, 0);
|
|
if ((indicator & A_8BIT_MASK)==0) {
|
|
proto_tree_add_text(parameter_item, parameter_tvb, 0, LOOP_PREVENTION_IND_LENGTH, "CCSS call indicator: no indication");
|
|
proto_item_set_text(parameter_item, "CCSS call indicator: no indication (%u)", indicator);
|
|
}
|
|
else {
|
|
proto_tree_add_text(parameter_item, parameter_tvb, 0, LOOP_PREVENTION_IND_LENGTH, "CCSS call indicator: CCSS call");
|
|
proto_item_set_text(parameter_item, "CCSS call indicator: CCSS call (%u)", indicator);
|
|
}
|
|
}
|
|
/* ------------------------------------------------------------------
|
|
Parameter Forward GVNS
|
|
*/
|
|
void
|
|
dissect_isup_forward_gvns_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{ guint length = tvb_length(parameter_tvb);
|
|
proto_tree_add_text(parameter_item, parameter_tvb, 0, length, "Forward GVNS (refer to 3.66/Q.763 for detailed decoding)");
|
|
proto_item_set_text(parameter_item, "Forward GVNS (%u Byte%s)", length , plurality(length, "", "s"));
|
|
}
|
|
/* ------------------------------------------------------------------
|
|
Parameter Redirect capability
|
|
*/
|
|
void
|
|
dissect_isup_redirect_capability_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{ guint length = tvb_length(parameter_tvb);
|
|
proto_tree_add_text(parameter_item, parameter_tvb, 0, length, "Redirect capability (format is a national matter)");
|
|
proto_item_set_text(parameter_item, "Redirect Capability (%u Byte%s)", length , plurality(length, "", "s"));
|
|
}
|
|
/* ------------------------------------------------------------------
|
|
Dissector Parameter Backward GVNS
|
|
*/
|
|
void
|
|
dissect_isup_backward_gvns_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{ guint8 indicator;
|
|
|
|
indicator = tvb_get_guint8(parameter_tvb, 0);
|
|
proto_tree_add_text(parameter_item, parameter_tvb, 0, BACKWARD_GVNS_LENGTH, "Backward GVNS: 0x%x (refer to 3.62/Q.763 for detailed decoding)", indicator);
|
|
proto_item_set_text(parameter_item, "Backward GVNS: 0x%x", indicator);
|
|
}
|
|
/* ------------------------------------------------------------------
|
|
Dissector Parameter Network management controls
|
|
*/
|
|
void
|
|
dissect_isup_network_management_controls_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{ guint8 indicator;
|
|
|
|
indicator = tvb_get_guint8(parameter_tvb, 0);
|
|
proto_tree_add_boolean(parameter_item, hf_isup_temporary_alternative_routing_ind, parameter_tvb, 0,NETWORK_MANAGEMENT_CONTROLS_LENGTH, indicator);
|
|
proto_tree_add_boolean(parameter_item, hf_isup_extension_ind, parameter_tvb, 0,NETWORK_MANAGEMENT_CONTROLS_LENGTH, indicator);
|
|
proto_item_set_text(parameter_item, "Network management controls: 0x%x", indicator);
|
|
}
|
|
/* ------------------------------------------------------------------
|
|
Dissector Parameter Correlation id - no detailed dissection since defined in Rec. Q.1281
|
|
*/
|
|
void
|
|
dissect_isup_correlation_id_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{ guint length = tvb_length(parameter_tvb);
|
|
proto_tree_add_text(parameter_item, parameter_tvb, 0, length, "Correlation ID (-> Q.1281)");
|
|
proto_item_set_text(parameter_item, "Correlation ID, see Q.1281 (%u Byte%s)", length , plurality(length, "", "s"));
|
|
}
|
|
/* ------------------------------------------------------------------
|
|
Dissector Parameter SCF id - no detailed dissection since defined in Rec. Q.1281
|
|
*/
|
|
void
|
|
dissect_isup_scf_id_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{ guint length = tvb_length(parameter_tvb);
|
|
proto_tree_add_text(parameter_item, parameter_tvb, 0, length, "SCF ID (-> Q.1281)");
|
|
proto_item_set_text(parameter_item, "SCF ID, see Q.1281 (%u Byte%s)", length , plurality(length, "", "s"));
|
|
}
|
|
/* ------------------------------------------------------------------
|
|
Dissector Parameter Call diversion treatment indicators
|
|
*/
|
|
void
|
|
dissect_isup_call_diversion_treatment_indicators_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{ guint8 indicator;
|
|
|
|
indicator = tvb_get_guint8(parameter_tvb, 0);
|
|
proto_tree_add_uint(parameter_item, hf_isup_call_to_be_diverted_ind, parameter_tvb, 0,CALL_DIV_TREATMENT_IND_LENGTH, indicator);
|
|
proto_tree_add_boolean(parameter_item, hf_isup_extension_ind, parameter_tvb, 0, CALL_DIV_TREATMENT_IND_LENGTH, indicator);
|
|
proto_item_set_text(parameter_item, "Call diversion treatment indicators: 0x%x", indicator);
|
|
}
|
|
/* ------------------------------------------------------------------
|
|
Dissector Parameter called IN number
|
|
*/
|
|
void
|
|
dissect_isup_called_in_number_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
proto_item *address_digits_item;
|
|
proto_tree *address_digits_tree;
|
|
guint8 indicators1, indicators2;
|
|
guint8 address_digit_pair=0;
|
|
gint offset=0;
|
|
gint i=0;
|
|
gint length;
|
|
char calling_number[MAXLENGTH]="";
|
|
|
|
indicators1 = tvb_get_guint8(parameter_tvb, 0);
|
|
proto_tree_add_boolean(parameter_tree, hf_isup_odd_even_indicator, parameter_tvb, 0, 1, indicators1);
|
|
proto_tree_add_uint(parameter_tree, hf_isup_calling_party_nature_of_address_indicator, parameter_tvb, 0, 1, indicators1);
|
|
indicators2 = tvb_get_guint8(parameter_tvb, 1);
|
|
proto_tree_add_uint(parameter_tree, hf_isup_numbering_plan_indicator, parameter_tvb, 1, 1, indicators2);
|
|
proto_tree_add_uint(parameter_tree, hf_isup_address_presentation_restricted_indicator, parameter_tvb, 1, 1, indicators2);
|
|
offset = 2;
|
|
|
|
address_digits_item = proto_tree_add_notext(parameter_tree, parameter_tvb, offset, tvb_length_remaining(parameter_tvb, offset));
|
|
address_digits_tree = proto_item_add_subtree(address_digits_item, ett_isup_address_digits);
|
|
|
|
length = tvb_length_remaining(parameter_tvb, offset);
|
|
while(length > 0){
|
|
address_digit_pair = tvb_get_guint8(parameter_tvb, offset);
|
|
proto_tree_add_uint(address_digits_tree, hf_isup_calling_party_odd_address_signal_digit, parameter_tvb, offset, 1, address_digit_pair);
|
|
calling_number[i++] = number_to_char(address_digit_pair & ISUP_ODD_ADDRESS_SIGNAL_DIGIT_MASK);
|
|
if ((length - 1) > 0 ){
|
|
proto_tree_add_uint(address_digits_tree, hf_isup_calling_party_even_address_signal_digit, parameter_tvb, offset, 1, address_digit_pair);
|
|
calling_number[i++] = number_to_char((address_digit_pair & ISUP_EVEN_ADDRESS_SIGNAL_DIGIT_MASK) / 0x10);
|
|
}
|
|
offset++;
|
|
length = tvb_length_remaining(parameter_tvb, offset);
|
|
}
|
|
|
|
if (((indicators1 & 0x80) == 0) && (tvb_length(parameter_tvb) > 0)){ /* Even Indicator set -> last even digit is valid & has be displayed */
|
|
proto_tree_add_uint(address_digits_tree, hf_isup_calling_party_even_address_signal_digit, parameter_tvb, offset - 1, 1, address_digit_pair);
|
|
calling_number[i++] = number_to_char((address_digit_pair & ISUP_EVEN_ADDRESS_SIGNAL_DIGIT_MASK) / 0x10);
|
|
}
|
|
calling_number[i++] = '\0';
|
|
|
|
proto_item_set_text(address_digits_item, "Called IN Number: %s", calling_number);
|
|
proto_item_set_text(parameter_item, "Called IN Number: %s", calling_number);
|
|
|
|
}
|
|
/* ------------------------------------------------------------------
|
|
Dissector Parameter Call offering treatment indicators
|
|
*/
|
|
void
|
|
dissect_isup_call_offering_treatment_indicators_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{ guint8 indicator;
|
|
|
|
indicator = tvb_get_guint8(parameter_tvb, 0);
|
|
proto_tree_add_uint(parameter_item, hf_isup_call_to_be_offered_ind, parameter_tvb, 0,CALL_OFFERING_TREATMENT_IND_LENGTH, indicator);
|
|
proto_tree_add_boolean(parameter_item, hf_isup_extension_ind, parameter_tvb, 0, CALL_OFFERING_TREATMENT_IND_LENGTH, indicator);
|
|
proto_item_set_text(parameter_item, "Call offering treatment indicators: 0x%x", indicator);
|
|
}
|
|
/* ------------------------------------------------------------------
|
|
Parameter Charged party identification
|
|
*/
|
|
void
|
|
dissect_isup_charged_party_identification_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{ guint length = tvb_length(parameter_tvb);
|
|
proto_tree_add_text(parameter_item, parameter_tvb, 0, length, "Charged party identification (format is national network specific)");
|
|
proto_item_set_text(parameter_item, "Charged party identification (%u Byte%s)", length , plurality(length, "", "s"));
|
|
}
|
|
/* ------------------------------------------------------------------
|
|
Dissector Parameter Conference treatment indicators
|
|
*/
|
|
void
|
|
dissect_isup_conference_treatment_indicators_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{ guint8 indicator;
|
|
|
|
indicator = tvb_get_guint8(parameter_tvb, 0);
|
|
proto_tree_add_uint(parameter_item, hf_isup_conference_acceptance_ind, parameter_tvb, 0,CONFERENCE_TREATMENT_IND_LENGTH, indicator);
|
|
proto_tree_add_boolean(parameter_item, hf_isup_extension_ind, parameter_tvb, 0, CONFERENCE_TREATMENT_IND_LENGTH, indicator);
|
|
proto_item_set_text(parameter_item, "Conference treatment indicators: 0x%x", indicator);
|
|
}
|
|
/* ------------------------------------------------------------------
|
|
Dissector Parameter Display information
|
|
*/
|
|
void
|
|
dissect_isup_display_information_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{ guint length = tvb_length(parameter_tvb);
|
|
proto_tree_add_text(parameter_item, parameter_tvb, 0, length, "Display information (-> Q.931)");
|
|
proto_item_set_text(parameter_item, "Display information (%u Byte%s)", length , plurality(length, "", "s"));
|
|
}
|
|
/* ------------------------------------------------------------------
|
|
Parameter UID action indicators
|
|
*/
|
|
void
|
|
dissect_isup_uid_action_indicators_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{ guint8 indicator;
|
|
|
|
indicator = tvb_get_guint8(parameter_tvb, 0);
|
|
proto_tree_add_text(parameter_item, parameter_tvb, 0,UID_ACTION_IND_LENGTH, "UID action indicators: 0x%x (refer to 3.78/Q.763 for detailed decoding)", indicator);
|
|
proto_item_set_text(parameter_item, "UID action indicators: 0x%x", indicator);
|
|
}
|
|
/* ------------------------------------------------------------------
|
|
Parameter UID capability indicators
|
|
*/
|
|
void
|
|
dissect_isup_uid_capability_indicators_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{ guint8 indicator;
|
|
|
|
indicator = tvb_get_guint8(parameter_tvb, 0);
|
|
proto_tree_add_text(parameter_item, parameter_tvb, 0,UID_CAPABILITY_IND_LENGTH, "UID capability indicators: 0x%x (refer to 3.79/Q.763 for detailed decoding)", indicator);
|
|
proto_item_set_text(parameter_item, "UID capability indicators: 0x%x", indicator);
|
|
}
|
|
/* ------------------------------------------------------------------
|
|
Parameter Redirect counter
|
|
*/
|
|
void
|
|
dissect_isup_redirect_counter_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{ guint length = tvb_length(parameter_tvb);
|
|
proto_tree_add_text(parameter_item, parameter_tvb, 0, length, "Redirect counter (format is a national matter)");
|
|
proto_item_set_text(parameter_item, "Redirect counter (%u Byte%s)", length , plurality(length, "", "s"));
|
|
}
|
|
/* ------------------------------------------------------------------
|
|
Dissector Parameter Collect call request
|
|
*/
|
|
void
|
|
dissect_isup_collect_call_request_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{ guint8 indicator;
|
|
|
|
indicator = tvb_get_guint8(parameter_tvb, 0);
|
|
if ((indicator & A_8BIT_MASK) == 0) {
|
|
proto_tree_add_text(parameter_item, parameter_tvb, 0, COLLECT_CALL_REQUEST_LENGTH, "Collect call request indicator: no indication");
|
|
proto_item_set_text(parameter_item, "Collect call reqeust: no indication (0x%x)", indicator);
|
|
}
|
|
else {
|
|
proto_tree_add_text(parameter_item, parameter_tvb, 0, COLLECT_CALL_REQUEST_LENGTH, "Collect call request indicator: collect call requested");
|
|
proto_item_set_text(parameter_item, "Collect call reqeust: collect call requested (0x%x)", indicator);
|
|
}
|
|
}
|
|
/* ------------------------------------------------------------------
|
|
Dissector Parameter Generic number
|
|
*/
|
|
void
|
|
dissect_isup_generic_number_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{
|
|
proto_item *address_digits_item;
|
|
proto_tree *address_digits_tree;
|
|
guint8 indicators1, indicators2, nr_qualifier_ind;
|
|
guint8 address_digit_pair=0;
|
|
gint offset=0;
|
|
gint i=0;
|
|
gint length;
|
|
char calling_number[MAXLENGTH]="";
|
|
|
|
nr_qualifier_ind = tvb_get_guint8(parameter_tvb, 0);
|
|
proto_tree_add_text(parameter_tree, parameter_tvb, 0, 1, "Number qualifier indicator: 0x%x (refer to 3.26/Q.763 for detailed decoding)", nr_qualifier_ind);
|
|
indicators1 = tvb_get_guint8(parameter_tvb, 1);
|
|
proto_tree_add_boolean(parameter_tree, hf_isup_odd_even_indicator, parameter_tvb, 1, 1, indicators1);
|
|
proto_tree_add_uint(parameter_tree, hf_isup_calling_party_nature_of_address_indicator, parameter_tvb, 0, 1, indicators1);
|
|
indicators2 = tvb_get_guint8(parameter_tvb, 2);
|
|
proto_tree_add_boolean(parameter_tree, hf_isup_ni_indicator, parameter_tvb, 2, 1, indicators2);
|
|
proto_tree_add_uint(parameter_tree, hf_isup_numbering_plan_indicator, parameter_tvb, 2, 1, indicators2);
|
|
if ((indicators2 & GFE_8BIT_MASK) == 0x50)
|
|
proto_tree_add_text(parameter_item, parameter_tvb, 2, 1, "Different meaning for Generic Number: Numbering plan indicator = private numbering plan");
|
|
proto_tree_add_uint(parameter_tree, hf_isup_address_presentation_restricted_indicator, parameter_tvb, 2, 1, indicators2);
|
|
proto_tree_add_uint(parameter_tree, hf_isup_screening_indicator_enhanced, parameter_tvb, 2, 1, indicators2);
|
|
offset = 3;
|
|
|
|
address_digits_item = proto_tree_add_notext(parameter_tree, parameter_tvb, offset, tvb_length_remaining(parameter_tvb, offset));
|
|
address_digits_tree = proto_item_add_subtree(address_digits_item, ett_isup_address_digits);
|
|
|
|
length = tvb_length_remaining(parameter_tvb, offset);
|
|
while(length > 0){
|
|
address_digit_pair = tvb_get_guint8(parameter_tvb, offset);
|
|
proto_tree_add_uint(address_digits_tree, hf_isup_calling_party_odd_address_signal_digit, parameter_tvb, offset, 1, address_digit_pair);
|
|
calling_number[i++] = number_to_char(address_digit_pair & ISUP_ODD_ADDRESS_SIGNAL_DIGIT_MASK);
|
|
if ((length - 1) > 0 ){
|
|
proto_tree_add_uint(address_digits_tree, hf_isup_calling_party_even_address_signal_digit, parameter_tvb, offset, 1, address_digit_pair);
|
|
calling_number[i++] = number_to_char((address_digit_pair & ISUP_EVEN_ADDRESS_SIGNAL_DIGIT_MASK) / 0x10);
|
|
}
|
|
offset++;
|
|
length = tvb_length_remaining(parameter_tvb, offset);
|
|
}
|
|
|
|
if (((indicators1 & 0x80) == 0) && (tvb_length(parameter_tvb) > 0)){ /* Even Indicator set -> last even digit is valid & has be displayed */
|
|
proto_tree_add_uint(address_digits_tree, hf_isup_calling_party_even_address_signal_digit, parameter_tvb, offset - 1, 1, address_digit_pair);
|
|
calling_number[i++] = number_to_char((address_digit_pair & ISUP_EVEN_ADDRESS_SIGNAL_DIGIT_MASK) / 0x10);
|
|
}
|
|
calling_number[i++] = '\0';
|
|
|
|
proto_item_set_text(address_digits_item, "Generic number: %s", calling_number);
|
|
proto_item_set_text(parameter_item, "Generic number: %s", calling_number);
|
|
|
|
}
|
|
/* ------------------------------------------------------------------
|
|
Dissector Parameter Generic digits
|
|
*/
|
|
void
|
|
dissect_isup_generic_digits_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{ guint length = tvb_length(parameter_tvb);
|
|
proto_tree_add_text(parameter_item, parameter_tvb, 0, length, "Generic digits (refer to 3.24/Q.673 for detailed decoding)");
|
|
proto_item_set_text(parameter_item, "Generic digits (%u Byte%s)", length , plurality(length, "", "s"));
|
|
}
|
|
/* ------------------------------------------------------------------ */
|
|
void
|
|
dissect_isup_unknown_parameter(tvbuff_t *parameter_tvb, proto_tree *parameter_tree, proto_item *parameter_item)
|
|
{ guint length = tvb_length(parameter_tvb);
|
|
proto_item_set_text(parameter_item, "Parameter Type unknown/reserved (%u Byte%s)", length , plurality(length, "", "s"));
|
|
}
|
|
/* ------------------------------------------------------------------ */
|
|
|
|
/* ------------------------------------------------------------------
|
|
Dissector all optional parameters
|
|
*/
|
|
void
|
|
dissect_isup_optional_parameter(tvbuff_t *optional_parameters_tvb, proto_tree *isup_tree)
|
|
{ proto_item* parameter_item;
|
|
proto_tree* parameter_tree;
|
|
gint offset = 0;
|
|
guint parameter_type, parameter_length, actual_length;
|
|
tvbuff_t *parameter_tvb;
|
|
|
|
/* Dissect all optional parameters while end of message isn't reached */
|
|
parameter_type = 0xFF; /* Start-initializiation since parameter_type is used for while-condition */
|
|
|
|
while ((tvb_length_remaining(optional_parameters_tvb, offset) >= 1) && (parameter_type != PARAM_TYPE_END_OF_OPT_PARAMS)){
|
|
parameter_type = tvb_get_guint8(optional_parameters_tvb, offset);
|
|
|
|
if (parameter_type != PARAM_TYPE_END_OF_OPT_PARAMS){
|
|
parameter_length = tvb_get_guint8(optional_parameters_tvb, offset + PARAMETER_TYPE_LENGTH);
|
|
|
|
parameter_item = proto_tree_add_notext(isup_tree, optional_parameters_tvb , offset, parameter_length + PARAMETER_TYPE_LENGTH + PARAMETER_LENGTH_IND_LENGTH);
|
|
parameter_tree = proto_item_add_subtree(parameter_item, ett_isup_parameter);
|
|
proto_tree_add_uint_format(parameter_tree, hf_isup_parameter_type, optional_parameters_tvb, offset, PARAMETER_TYPE_LENGTH, parameter_type, "Optional Parameter: %u (%s)", parameter_type, val_to_str(parameter_type, isup_parameter_type_value,"unknown"));
|
|
offset += PARAMETER_TYPE_LENGTH;
|
|
|
|
proto_tree_add_uint_format(parameter_tree, hf_isup_parameter_length, optional_parameters_tvb, offset, PARAMETER_LENGTH_IND_LENGTH, parameter_length, "Parameter length: %u", parameter_length);
|
|
offset += PARAMETER_LENGTH_IND_LENGTH;
|
|
|
|
actual_length = tvb_length_remaining(optional_parameters_tvb, offset);
|
|
if (actual_length > 0){
|
|
parameter_tvb = tvb_new_subset(optional_parameters_tvb, offset, MIN(parameter_length, actual_length), parameter_length);
|
|
switch (parameter_type) {
|
|
case PARAM_TYPE_CALL_REF:
|
|
dissect_isup_call_reference_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case PARAM_TYPE_TRANSM_MEDIUM_REQU:
|
|
dissect_isup_transmission_medium_requirement_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case PARAM_TYPE_ACC_TRANSP:
|
|
dissect_isup_access_transport_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case PARAM_TYPE_CALLED_PARTY_NR:
|
|
dissect_isup_called_party_number_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case PARAM_TYPE_SUBSQT_NR:
|
|
dissect_isup_subsequent_number_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case PARAM_TYPE_NATURE_OF_CONN_IND:
|
|
dissect_isup_nature_of_connection_indicators_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case PARAM_TYPE_FORW_CALL_IND:
|
|
dissect_isup_forward_call_indicators_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case PARAM_TYPE_OPT_FORW_CALL_IND:
|
|
dissect_isup_optional_forward_call_indicators_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case PARAM_TYPE_CALLING_PRTY_CATEG:
|
|
dissect_isup_calling_partys_category_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case PARAM_TYPE_CALLING_PARTY_NR:
|
|
dissect_isup_calling_party_number_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case PARAM_TYPE_REDIRECTING_NR:
|
|
dissect_isup_redirecting_number_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case PARAM_TYPE_REDIRECTION_NR:
|
|
dissect_isup_redirection_number_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case PARAM_TYPE_CONNECTION_REQ:
|
|
dissect_isup_connection_request_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case PARAM_TYPE_INFO_REQ_IND:
|
|
dissect_isup_information_request_indicators_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case PARAM_TYPE_INFO_IND:
|
|
dissect_isup_information_indicators_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case PARAM_TYPE_CONTINUITY_IND:
|
|
dissect_isup_continuity_indicators_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case PARAM_TYPE_BACKW_CALL_IND:
|
|
dissect_isup_backward_call_indicators_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case PARAM_TYPE_CAUSE_INDICATORS:
|
|
dissect_isup_cause_indicators_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case PARAM_TYPE_REDIRECTION_INFO:
|
|
dissect_isup_redirection_information_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case PARAM_TYPE_CIRC_GRP_SV_MSG_TYPE:
|
|
dissect_isup_circuit_group_supervision_message_type_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case PARAM_TYPE_RANGE_AND_STATUS:
|
|
dissect_isup_range_and_status_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case PARAM_TYPE_FACILITY_IND:
|
|
dissect_isup_facility_ind_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case PARAM_TYPE_CLSD_USR_GRP_ILOCK_CD:
|
|
dissect_isup_closed_user_group_interlock_code_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case PARAM_TYPE_USER_SERVICE_INFO:
|
|
dissect_isup_user_service_information_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case PARAM_TYPE_SIGNALLING_POINT_CODE:
|
|
dissect_isup_signalling_point_code_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case PARAM_TYPE_USER_TO_USER_INFO:
|
|
dissect_isup_user_to_user_information_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case PARAM_TYPE_CONNECTED_NR:
|
|
dissect_isup_connected_number_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case PARAM_TYPE_SUSP_RESUME_IND:
|
|
dissect_isup_suspend_resume_indicators_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case PARAM_TYPE_TRANSIT_NETW_SELECT:
|
|
dissect_isup_transit_network_selection_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case PARAM_TYPE_EVENT_INFO:
|
|
dissect_isup_event_information_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case PARAM_TYPE_CIRC_ASSIGN_MAP:
|
|
dissect_isup_circuit_assignment_map_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case PARAM_TYPE_CIRC_STATE_IND:
|
|
dissect_isup_circuit_state_ind_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case PARAM_TYPE_AUTO_CONG_LEVEL:
|
|
dissect_isup_automatic_congestion_level_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case PARAM_TYPE_ORIG_CALLED_NR:
|
|
dissect_isup_original_called_number_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case PARAM_TYPE_OPT_BACKW_CALL_IND:
|
|
dissect_isup_optional_backward_call_indicators_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case PARAM_TYPE_USER_TO_USER_IND:
|
|
dissect_isup_user_to_user_indicators_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case PARAM_TYPE_ORIG_ISC_POINT_CODE:
|
|
dissect_isup_original_isc_point_code_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case PARAM_TYPE_GENERIC_NOTIF_IND:
|
|
dissect_isup_generic_notification_indicator_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case PARAM_TYPE_CALL_HIST_INFO :
|
|
dissect_isup_call_history_information_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case PARAM_TYPE_ACC_DELIV_INFO:
|
|
dissect_isup_access_delivery_information_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case PARAM_TYPE_NETW_SPECIFIC_FACLTY:
|
|
dissect_isup_network_specific_facility_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case PARAM_TYPE_USER_SERVICE_INFO_PR:
|
|
dissect_isup_user_service_information_prime_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case PARAM_TYPE_PROPAG_DELAY_COUNTER:
|
|
dissect_isup_propagation_delay_counter_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case PARAM_TYPE_REMOTE_OPERATIONS:
|
|
dissect_isup_remote_operations_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case PARAM_TYPE_SERVICE_ACTIVATION:
|
|
dissect_isup_service_activation_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case PARAM_TYPE_USER_TELESERV_INFO:
|
|
dissect_isup_user_teleservice_information_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case PARAM_TYPE_TRANSM_MEDIUM_USED:
|
|
dissect_isup_transmission_medium_used_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case PARAM_TYPE_CALL_DIV_INFO:
|
|
dissect_isup_call_diversion_information_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case PARAM_TYPE_ECHO_CTRL_INFO:
|
|
dissect_isup_echo_control_information_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case PARAM_TYPE_MSG_COMPAT_INFO:
|
|
dissect_isup_message_compatibility_information_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case PARAM_TYPE_PARAM_COMPAT_INFO:
|
|
dissect_isup_parameter_compatibility_information_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case PARAM_TYPE_MLPP_PRECEDENCE:
|
|
dissect_isup_mlpp_precedence_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case PARAM_TYPE_MCID_REQ_IND:
|
|
dissect_isup_mcid_request_indicators_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case PARAM_TYPE_MCID_RSP_IND:
|
|
dissect_isup_mcid_response_indicators_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case PARAM_TYPE_HOP_COUNTER:
|
|
dissect_isup_hop_counter_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case PARAM_TYPE_TRANSM_MEDIUM_RQUR_PR:
|
|
dissect_isup_transmission_medium_requirement_prime_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case PARAM_TYPE_LOCATION_NR:
|
|
dissect_isup_location_number_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case PARAM_TYPE_REDIR_NR_RSTRCT:
|
|
dissect_isup_redirection_number_restriction_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case PARAM_TYPE_CALL_TRANS_REF:
|
|
dissect_isup_call_transfer_reference_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case PARAM_TYPE_LOOP_PREV_IND:
|
|
dissect_isup_loop_prevention_indicators_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case PARAM_TYPE_CALL_TRANS_NR:
|
|
dissect_isup_call_transfer_number_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case PARAM_TYPE_CCSS:
|
|
dissect_isup_ccss_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case PARAM_TYPE_FORW_GVNS:
|
|
dissect_isup_forward_gvns_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case PARAM_TYPE_BACKW_GVNS:
|
|
dissect_isup_backward_gvns_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case PARAM_TYPE_REDIRECT_CAPAB:
|
|
dissect_isup_redirect_capability_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case PARAM_TYPE_NETW_MGMT_CTRL:
|
|
dissect_isup_network_management_controls_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case PARAM_TYPE_CORRELATION_ID:
|
|
dissect_isup_correlation_id_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case PARAM_TYPE_SCF_ID:
|
|
dissect_isup_scf_id_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case PARAM_TYPE_CALL_DIV_TREAT_IND:
|
|
dissect_isup_call_diversion_treatment_indicators_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case PARAM_TYPE_CALLED_IN_NR:
|
|
dissect_isup_called_in_number_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case PARAM_TYPE_CALL_OFF_TREAT_IND:
|
|
dissect_isup_call_offering_treatment_indicators_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case PARAM_TYPE_CHARGED_PARTY_IDENT:
|
|
dissect_isup_charged_party_identification_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case PARAM_TYPE_CONF_TREAT_IND:
|
|
dissect_isup_conference_treatment_indicators_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case PARAM_TYPE_DISPLAY_INFO:
|
|
dissect_isup_display_information_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case PARAM_TYPE_UID_ACTION_IND:
|
|
dissect_isup_uid_action_indicators_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case PARAM_TYPE_UID_CAPAB_IND:
|
|
dissect_isup_uid_capability_indicators_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case PARAM_TYPE_REDIRECT_COUNTER:
|
|
dissect_isup_redirect_counter_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case PARAM_TYPE_COLLECT_CALL_REQ:
|
|
dissect_isup_collect_call_request_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case PARAM_TYPE_GENERIC_NR:
|
|
dissect_isup_generic_number_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
case PARAM_TYPE_GENERIC_DIGITS:
|
|
dissect_isup_generic_digits_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
default:
|
|
dissect_isup_unknown_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
break;
|
|
}
|
|
offset += MIN(parameter_length, actual_length);
|
|
}
|
|
|
|
}
|
|
else {
|
|
/* End of optional parameters is reached */
|
|
proto_tree_add_uint_format(isup_tree, hf_isup_message_type, optional_parameters_tvb , offset, PARAMETER_TYPE_LENGTH, parameter_type, "End of optional parameters (%u)", parameter_type);
|
|
}
|
|
}
|
|
}
|
|
|
|
/* ------------------------------------------------------------------ */
|
|
/* Dissectors for all used message types */
|
|
/* Called by dissect_isup_message(), */
|
|
/* call parameter dissectors in order of mandatory parameters */
|
|
/* (since not labeled) */
|
|
/* ------------------------------------------------------------------
|
|
Dissector Message Type Initial address message
|
|
*/
|
|
gint
|
|
dissect_isup_initial_address_message(tvbuff_t *message_tvb, proto_tree *isup_tree)
|
|
{ proto_item* parameter_item;
|
|
proto_tree* parameter_tree;
|
|
tvbuff_t *parameter_tvb;
|
|
gint offset = 0;
|
|
gint parameter_type, parameter_pointer, parameter_length, actual_length;
|
|
|
|
/* Do stuff for first mandatory fixed parameter: Nature of Connection Indicators */
|
|
parameter_type = PARAM_TYPE_NATURE_OF_CONN_IND;
|
|
parameter_item = proto_tree_add_notext(isup_tree, message_tvb, offset, NATURE_OF_CONNECTION_IND_LENGTH);
|
|
parameter_tree = proto_item_add_subtree(parameter_item, ett_isup_parameter);
|
|
proto_tree_add_uint_format(parameter_tree, hf_isup_parameter_type, message_tvb, 0, 0, parameter_type, "Mandatory Parameter: %u (%s)", parameter_type, val_to_str(parameter_type, isup_parameter_type_value,"unknown"));
|
|
actual_length = tvb_length_remaining(message_tvb, offset);
|
|
parameter_tvb = tvb_new_subset(message_tvb, offset, MIN(NATURE_OF_CONNECTION_IND_LENGTH, actual_length), NATURE_OF_CONNECTION_IND_LENGTH);
|
|
dissect_isup_nature_of_connection_indicators_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
offset += NATURE_OF_CONNECTION_IND_LENGTH;
|
|
|
|
/* Do stuff for 2nd mandatory fixed parameter: Forward Call Indicators */
|
|
parameter_type = PARAM_TYPE_FORW_CALL_IND;
|
|
parameter_item = proto_tree_add_notext(isup_tree, message_tvb, offset, FORWARD_CALL_IND_LENGTH);
|
|
parameter_tree = proto_item_add_subtree(parameter_item, ett_isup_parameter);
|
|
proto_tree_add_uint_format(parameter_tree, hf_isup_parameter_type, message_tvb, 0, 0, parameter_type, "Mandatory Parameter: %u (%s)", parameter_type, val_to_str(parameter_type, isup_parameter_type_value,"unknown"));
|
|
actual_length = tvb_length_remaining(message_tvb, offset);
|
|
parameter_tvb = tvb_new_subset(message_tvb, offset, MIN(FORWARD_CALL_IND_LENGTH, actual_length), FORWARD_CALL_IND_LENGTH );
|
|
dissect_isup_forward_call_indicators_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
offset += FORWARD_CALL_IND_LENGTH;
|
|
|
|
/* Do stuff for 3nd mandatory fixed parameter: Calling party's category */
|
|
parameter_type = PARAM_TYPE_CALLING_PRTY_CATEG;
|
|
parameter_item = proto_tree_add_notext(isup_tree, message_tvb, offset, CALLING_PRTYS_CATEGORY_LENGTH);
|
|
parameter_tree = proto_item_add_subtree(parameter_item, ett_isup_parameter);
|
|
proto_tree_add_uint_format(parameter_tree, hf_isup_parameter_type, message_tvb, 0, 0, parameter_type, "Mandatory Parameter: %u (%s)", parameter_type, val_to_str(parameter_type, isup_parameter_type_value,"unknown"));
|
|
actual_length = tvb_length_remaining(message_tvb, offset);
|
|
parameter_tvb = tvb_new_subset(message_tvb, offset, MIN(CALLING_PRTYS_CATEGORY_LENGTH, actual_length),CALLING_PRTYS_CATEGORY_LENGTH );
|
|
dissect_isup_calling_partys_category_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
offset += CALLING_PRTYS_CATEGORY_LENGTH;
|
|
|
|
/* Do stuff for 4th mandatory fixed parameter: Transmission medium requirement */
|
|
parameter_type = PARAM_TYPE_TRANSM_MEDIUM_REQU;
|
|
parameter_item = proto_tree_add_notext(isup_tree, message_tvb, offset, TRANSMISSION_MEDIUM_REQUIREMENT_LENGTH);
|
|
parameter_tree = proto_item_add_subtree(parameter_item, ett_isup_parameter);
|
|
proto_tree_add_uint_format(parameter_tree, hf_isup_parameter_type, message_tvb, 0, 0, parameter_type, "Mandatory Parameter: %u (%s)", parameter_type, val_to_str(parameter_type, isup_parameter_type_value,"unknown"));
|
|
actual_length = tvb_length_remaining(message_tvb, offset);
|
|
parameter_tvb = tvb_new_subset(message_tvb, offset, MIN(TRANSMISSION_MEDIUM_REQUIREMENT_LENGTH, actual_length), TRANSMISSION_MEDIUM_REQUIREMENT_LENGTH);
|
|
dissect_isup_transmission_medium_requirement_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
offset += TRANSMISSION_MEDIUM_REQUIREMENT_LENGTH;
|
|
|
|
|
|
/* Do stuff for mandatory variable parameter Called party number */
|
|
parameter_type = PARAM_TYPE_CALLED_PARTY_NR;
|
|
parameter_pointer = tvb_get_guint8(message_tvb, offset);
|
|
parameter_length = tvb_get_guint8(message_tvb, offset + parameter_pointer);
|
|
|
|
parameter_item = proto_tree_add_notext(isup_tree, message_tvb , offset + parameter_pointer, parameter_length + PARAMETER_LENGTH_IND_LENGTH);
|
|
parameter_tree = proto_item_add_subtree(parameter_item, ett_isup_parameter);
|
|
proto_tree_add_uint_format(parameter_tree, hf_isup_parameter_type, message_tvb, 0, 0, parameter_type, "Mandatory Parameter: %u (%s)", parameter_type, val_to_str(parameter_type, isup_parameter_type_value,"unknown"));
|
|
proto_tree_add_uint_format(parameter_tree, hf_isup_mandatory_variable_parameter_pointer, message_tvb, offset, PARAMETER_POINTER_LENGTH, parameter_pointer, "Pointer to Parameter: %u", parameter_pointer);
|
|
proto_tree_add_uint_format(parameter_tree, hf_isup_parameter_length, message_tvb, offset + parameter_pointer, PARAMETER_LENGTH_IND_LENGTH, parameter_length, "Parameter length: %u", parameter_length);
|
|
actual_length = tvb_length_remaining(message_tvb, offset);
|
|
parameter_tvb = tvb_new_subset(message_tvb, offset + parameter_pointer + PARAMETER_LENGTH_IND_LENGTH, MIN(parameter_length, actual_length), parameter_length );
|
|
dissect_isup_called_party_number_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
offset += PARAMETER_POINTER_LENGTH;
|
|
|
|
return offset;
|
|
}
|
|
/* ------------------------------------------------------------------
|
|
Dissector Message Type subsequent address message
|
|
*/
|
|
gint dissect_isup_subsequent_address_message(tvbuff_t *message_tvb, proto_tree *isup_tree)
|
|
{ proto_item* parameter_item;
|
|
proto_tree* parameter_tree;
|
|
tvbuff_t *parameter_tvb;
|
|
gint offset = 0;
|
|
gint parameter_type, parameter_pointer, parameter_length, actual_length;
|
|
|
|
/* Do stuff for mandatory variable parameter Subsequent number */
|
|
parameter_type = PARAM_TYPE_SUBSQT_NR;
|
|
|
|
parameter_pointer = tvb_get_guint8(message_tvb, offset);
|
|
parameter_length = tvb_get_guint8(message_tvb, offset + parameter_pointer);
|
|
|
|
parameter_item = proto_tree_add_notext(isup_tree, message_tvb , offset + parameter_pointer, parameter_length + PARAMETER_LENGTH_IND_LENGTH);
|
|
parameter_tree = proto_item_add_subtree(parameter_item, ett_isup_parameter);
|
|
proto_tree_add_uint_format(parameter_tree, hf_isup_parameter_type, message_tvb, 0, 0, parameter_type, "Mandatory Parameter: %u (%s)", parameter_type, val_to_str(parameter_type, isup_parameter_type_value,"unknown"));
|
|
proto_tree_add_uint_format(parameter_tree, hf_isup_mandatory_variable_parameter_pointer, message_tvb, offset, PARAMETER_POINTER_LENGTH, parameter_pointer, "Pointer to Parameter: %u", parameter_pointer);
|
|
proto_tree_add_uint_format(parameter_tree, hf_isup_parameter_length, message_tvb, offset + parameter_pointer, PARAMETER_LENGTH_IND_LENGTH, parameter_length, "Parameter length: %u", parameter_length);
|
|
actual_length = tvb_length_remaining(message_tvb, offset);
|
|
parameter_tvb = tvb_new_subset(message_tvb, offset + parameter_pointer + PARAMETER_LENGTH_IND_LENGTH, MIN(parameter_length, actual_length), parameter_length );
|
|
dissect_isup_subsequent_number_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
offset += PARAMETER_POINTER_LENGTH;
|
|
|
|
return offset;
|
|
}
|
|
|
|
/* ------------------------------------------------------------------
|
|
Dissector Message Type Information request message
|
|
*/
|
|
gint
|
|
dissect_isup_information_request_message(tvbuff_t *message_tvb, proto_tree *isup_tree)
|
|
{ proto_item* parameter_item;
|
|
proto_tree* parameter_tree;
|
|
tvbuff_t *parameter_tvb;
|
|
gint offset = 0;
|
|
gint parameter_type, actual_length;
|
|
|
|
/* Do stuff for first mandatory fixed parameter: Information request indicators*/
|
|
parameter_type = PARAM_TYPE_INFO_REQ_IND;
|
|
parameter_item = proto_tree_add_notext(isup_tree, message_tvb, offset, INFO_REQUEST_IND_LENGTH);
|
|
parameter_tree = proto_item_add_subtree(parameter_item, ett_isup_parameter);
|
|
proto_tree_add_uint_format(parameter_tree, hf_isup_parameter_type, message_tvb, 0, 0, parameter_type, "Mandatory Parameter: %u (%s)", parameter_type, val_to_str(parameter_type, isup_parameter_type_value,"unknown"));
|
|
actual_length = tvb_length_remaining(message_tvb, offset);
|
|
parameter_tvb = tvb_new_subset(message_tvb, offset, MIN(INFO_REQUEST_IND_LENGTH, actual_length), INFO_REQUEST_IND_LENGTH);
|
|
dissect_isup_information_request_indicators_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
offset += INFO_REQUEST_IND_LENGTH;
|
|
return offset;
|
|
}
|
|
/* ------------------------------------------------------------------
|
|
Dissector Message Type Information
|
|
*/
|
|
gint
|
|
dissect_isup_information_message(tvbuff_t *message_tvb, proto_tree *isup_tree)
|
|
{ proto_item* parameter_item;
|
|
proto_tree* parameter_tree;
|
|
tvbuff_t *parameter_tvb;
|
|
gint offset = 0;
|
|
gint parameter_type, actual_length;
|
|
|
|
/* Do stuff for first mandatory fixed parameter: Information indicators*/
|
|
parameter_type = PARAM_TYPE_INFO_IND;
|
|
parameter_item = proto_tree_add_notext(isup_tree, message_tvb, offset, INFO_IND_LENGTH);
|
|
parameter_tree = proto_item_add_subtree(parameter_item, ett_isup_parameter);
|
|
proto_tree_add_uint_format(parameter_tree, hf_isup_parameter_type, message_tvb, 0, 0, parameter_type, "Mandatory Parameter: %u (%s)", parameter_type, val_to_str(parameter_type, isup_parameter_type_value,"unknown"));
|
|
actual_length = tvb_length_remaining(message_tvb, offset);
|
|
parameter_tvb = tvb_new_subset(message_tvb, offset, MIN(INFO_IND_LENGTH, actual_length), INFO_IND_LENGTH);
|
|
dissect_isup_information_indicators_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
offset += INFO_IND_LENGTH;
|
|
return offset;
|
|
}
|
|
/* ------------------------------------------------------------------
|
|
Dissector Message Type Continuity
|
|
*/
|
|
gint
|
|
dissect_isup_continuity_message(tvbuff_t *message_tvb, proto_tree *isup_tree)
|
|
{ proto_item* parameter_item;
|
|
proto_tree* parameter_tree;
|
|
tvbuff_t *parameter_tvb;
|
|
gint offset = 0;
|
|
gint parameter_type, actual_length;
|
|
|
|
/* Do stuff for first mandatory fixed parameter: Continuity indicators*/
|
|
parameter_type = PARAM_TYPE_CONTINUITY_IND;
|
|
parameter_item = proto_tree_add_notext(isup_tree, message_tvb, offset, CONTINUITY_IND_LENGTH);
|
|
parameter_tree = proto_item_add_subtree(parameter_item, ett_isup_parameter);
|
|
proto_tree_add_uint_format(parameter_tree, hf_isup_parameter_type, message_tvb, 0, 0, parameter_type, "Mandatory Parameter: %u (%s)", parameter_type, val_to_str(parameter_type, isup_parameter_type_value,"unknown"));
|
|
actual_length = tvb_length_remaining(message_tvb, offset);
|
|
parameter_tvb = tvb_new_subset(message_tvb, offset, MIN(CONTINUITY_IND_LENGTH, actual_length), CONTINUITY_IND_LENGTH);
|
|
dissect_isup_continuity_indicators_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
offset += CONTINUITY_IND_LENGTH;
|
|
return offset;
|
|
}
|
|
/* ------------------------------------------------------------------
|
|
Dissector Message Type Address complete
|
|
*/
|
|
gint
|
|
dissect_isup_address_complete_message(tvbuff_t *message_tvb, proto_tree *isup_tree)
|
|
{ proto_item* parameter_item;
|
|
proto_tree* parameter_tree;
|
|
tvbuff_t *parameter_tvb;
|
|
gint offset = 0;
|
|
gint parameter_type, actual_length;
|
|
|
|
/* Do stuff for first mandatory fixed parameter: backward call indicators*/
|
|
parameter_type = PARAM_TYPE_BACKW_CALL_IND;
|
|
parameter_item = proto_tree_add_notext(isup_tree, message_tvb, offset, BACKWARD_CALL_IND_LENGTH);
|
|
parameter_tree = proto_item_add_subtree(parameter_item, ett_isup_parameter);
|
|
proto_tree_add_uint_format(parameter_tree, hf_isup_parameter_type, message_tvb, 0, 0, parameter_type, "Mandatory Parameter: %u (%s)", parameter_type, val_to_str(parameter_type, isup_parameter_type_value,"unknown"));
|
|
actual_length = tvb_length_remaining(message_tvb, offset);
|
|
parameter_tvb = tvb_new_subset(message_tvb, offset, MIN(BACKWARD_CALL_IND_LENGTH, actual_length), BACKWARD_CALL_IND_LENGTH);
|
|
dissect_isup_backward_call_indicators_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
offset += BACKWARD_CALL_IND_LENGTH;
|
|
return offset;
|
|
}
|
|
/* ------------------------------------------------------------------
|
|
Dissector Message Type Connect
|
|
*/
|
|
gint
|
|
dissect_isup_connect_message(tvbuff_t *message_tvb, proto_tree *isup_tree)
|
|
{ proto_item* parameter_item;
|
|
proto_tree* parameter_tree;
|
|
tvbuff_t *parameter_tvb;
|
|
gint offset = 0;
|
|
gint parameter_type, actual_length;
|
|
|
|
/* Do stuff for first mandatory fixed parameter: backward call indicators*/
|
|
parameter_type = PARAM_TYPE_BACKW_CALL_IND;
|
|
parameter_item = proto_tree_add_notext(isup_tree, message_tvb, offset, BACKWARD_CALL_IND_LENGTH);
|
|
parameter_tree = proto_item_add_subtree(parameter_item, ett_isup_parameter);
|
|
proto_tree_add_uint_format(parameter_tree, hf_isup_parameter_type, message_tvb, 0, 0, parameter_type, "Mandatory Parameter: %u (%s)", parameter_type, val_to_str(parameter_type, isup_parameter_type_value,"unknown"));
|
|
actual_length = tvb_length_remaining(message_tvb, offset);
|
|
parameter_tvb = tvb_new_subset(message_tvb, offset, MIN(BACKWARD_CALL_IND_LENGTH, actual_length), BACKWARD_CALL_IND_LENGTH);
|
|
dissect_isup_backward_call_indicators_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
offset += BACKWARD_CALL_IND_LENGTH;
|
|
return offset;
|
|
}
|
|
/* ------------------------------------------------------------------
|
|
Dissector Message Type release message
|
|
*/
|
|
gint
|
|
dissect_isup_release_message(tvbuff_t *message_tvb, proto_tree *isup_tree)
|
|
{ proto_item* parameter_item;
|
|
proto_tree* parameter_tree;
|
|
tvbuff_t *parameter_tvb;
|
|
gint offset = 0;
|
|
gint parameter_type, parameter_pointer, parameter_length, actual_length;
|
|
|
|
/* Do stuff for mandatory variable parameter Cause indicators */
|
|
parameter_type = PARAM_TYPE_CAUSE_INDICATORS;
|
|
|
|
parameter_pointer = tvb_get_guint8(message_tvb, offset);
|
|
parameter_length = tvb_get_guint8(message_tvb, offset + parameter_pointer);
|
|
|
|
parameter_item = proto_tree_add_notext(isup_tree, message_tvb , offset + parameter_pointer, parameter_length + PARAMETER_LENGTH_IND_LENGTH);
|
|
parameter_tree = proto_item_add_subtree(parameter_item, ett_isup_parameter);
|
|
proto_tree_add_uint_format(parameter_tree, hf_isup_parameter_type, message_tvb, 0, 0, parameter_type, "Mandatory Parameter: %u (%s)", parameter_type, val_to_str(parameter_type, isup_parameter_type_value,"unknown"));
|
|
proto_tree_add_uint_format(parameter_tree, hf_isup_mandatory_variable_parameter_pointer, message_tvb, offset, PARAMETER_POINTER_LENGTH, parameter_pointer, "Pointer to Parameter: %u", parameter_pointer);
|
|
proto_tree_add_uint_format(parameter_tree, hf_isup_parameter_length, message_tvb, offset + parameter_pointer, PARAMETER_LENGTH_IND_LENGTH, parameter_length, "Parameter length: %u", parameter_length);
|
|
actual_length = tvb_length_remaining(message_tvb, offset);
|
|
parameter_tvb = tvb_new_subset(message_tvb, offset + parameter_pointer + PARAMETER_LENGTH_IND_LENGTH, MIN(parameter_length, actual_length), parameter_length );
|
|
dissect_isup_cause_indicators_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
offset += PARAMETER_POINTER_LENGTH;
|
|
|
|
return offset;
|
|
}
|
|
/* ------------------------------------------------------------------
|
|
Dissector Message Type Resume/Suspend
|
|
*/
|
|
gint
|
|
dissect_isup_suspend_resume_message(tvbuff_t *message_tvb, proto_tree *isup_tree)
|
|
{ proto_item* parameter_item;
|
|
proto_tree* parameter_tree;
|
|
tvbuff_t *parameter_tvb;
|
|
gint offset = 0;
|
|
gint parameter_type, actual_length;
|
|
|
|
/* Do stuff for first mandatory fixed parameter: backward call indicators*/
|
|
parameter_type = PARAM_TYPE_SUSP_RESUME_IND;
|
|
parameter_item = proto_tree_add_notext(isup_tree, message_tvb, offset, SUSPEND_RESUME_IND_LENGTH);
|
|
parameter_tree = proto_item_add_subtree(parameter_item, ett_isup_parameter);
|
|
proto_tree_add_uint_format(parameter_tree, hf_isup_parameter_type, message_tvb, 0, 0, parameter_type, "Mandatory Parameter: %u (%s)", parameter_type, val_to_str(parameter_type, isup_parameter_type_value,"unknown"));
|
|
actual_length = tvb_length_remaining(message_tvb, offset);
|
|
parameter_tvb = tvb_new_subset(message_tvb, offset, MIN(SUSPEND_RESUME_IND_LENGTH, actual_length), SUSPEND_RESUME_IND_LENGTH);
|
|
dissect_isup_suspend_resume_indicators_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
offset += SUSPEND_RESUME_IND_LENGTH;
|
|
return offset;
|
|
}
|
|
/* ------------------------------------------------------------------
|
|
Dissector Message Type Circuit group reset/query message
|
|
*/
|
|
gint
|
|
dissect_isup_circuit_group_reset_query_message(tvbuff_t *message_tvb, proto_tree *isup_tree)
|
|
{ proto_item* parameter_item;
|
|
proto_tree* parameter_tree;
|
|
tvbuff_t *parameter_tvb;
|
|
gint offset = 0;
|
|
gint parameter_type, parameter_pointer, parameter_length, actual_length;
|
|
|
|
/* Do stuff for mandatory variable parameter range and status*/
|
|
parameter_type = PARAM_TYPE_RANGE_AND_STATUS;
|
|
|
|
parameter_pointer = tvb_get_guint8(message_tvb, offset);
|
|
parameter_length = tvb_get_guint8(message_tvb, offset + parameter_pointer);
|
|
|
|
parameter_item = proto_tree_add_notext(isup_tree, message_tvb , offset + parameter_pointer, parameter_length + PARAMETER_LENGTH_IND_LENGTH);
|
|
parameter_tree = proto_item_add_subtree(parameter_item, ett_isup_parameter);
|
|
proto_tree_add_uint_format(parameter_tree, hf_isup_parameter_type, message_tvb, 0, 0, parameter_type, "Mandatory Parameter: %u (%s)", parameter_type, val_to_str(parameter_type, isup_parameter_type_value,"unknown"));
|
|
proto_tree_add_uint_format(parameter_tree, hf_isup_mandatory_variable_parameter_pointer, message_tvb, offset, PARAMETER_POINTER_LENGTH, parameter_pointer, "Pointer to Parameter: %u", parameter_pointer);
|
|
proto_tree_add_uint_format(parameter_tree, hf_isup_parameter_length, message_tvb, offset + parameter_pointer, PARAMETER_LENGTH_IND_LENGTH, parameter_length, "Parameter length: %u", parameter_length);
|
|
actual_length = tvb_length_remaining(message_tvb, offset);
|
|
parameter_tvb = tvb_new_subset(message_tvb, offset + parameter_pointer + PARAMETER_LENGTH_IND_LENGTH, MIN(parameter_length, actual_length), parameter_length );
|
|
dissect_isup_range_and_status_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
offset += PARAMETER_POINTER_LENGTH;
|
|
|
|
return offset;
|
|
}
|
|
/* ------------------------------------------------------------------
|
|
Dissector Message Type Circuit group blocking/blocking ack/unblocking/unblocking ack messages
|
|
*/
|
|
gint
|
|
dissect_isup_circuit_group_blocking_messages(tvbuff_t *message_tvb, proto_tree *isup_tree)
|
|
{ proto_item* parameter_item;
|
|
proto_tree* parameter_tree;
|
|
tvbuff_t *parameter_tvb;
|
|
gint offset = 0;
|
|
gint parameter_type, parameter_pointer, parameter_length, actual_length;
|
|
|
|
/* Do stuff for first mandatory fixed parameter: circuit group supervision message type*/
|
|
parameter_type = PARAM_TYPE_CIRC_GRP_SV_MSG_TYPE;
|
|
parameter_item = proto_tree_add_notext(isup_tree, message_tvb, offset, CIRC_GRP_SV_MSG_TYPE_LENGTH);
|
|
parameter_tree = proto_item_add_subtree(parameter_item, ett_isup_parameter);
|
|
proto_tree_add_uint_format(parameter_tree, hf_isup_parameter_type, message_tvb, 0, 0, parameter_type, "Mandatory Parameter: %u (%s)", parameter_type, val_to_str(parameter_type, isup_parameter_type_value,"unknown"));
|
|
actual_length = tvb_length_remaining(message_tvb, offset);
|
|
parameter_tvb = tvb_new_subset(message_tvb, offset, MIN(CIRC_GRP_SV_MSG_TYPE_LENGTH, actual_length), CIRC_GRP_SV_MSG_TYPE_LENGTH);
|
|
dissect_isup_circuit_group_supervision_message_type_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
offset += CIRC_GRP_SV_MSG_TYPE_LENGTH;
|
|
|
|
/* Do stuff for mandatory variable parameter range and status*/
|
|
parameter_type = PARAM_TYPE_RANGE_AND_STATUS;
|
|
|
|
parameter_pointer = tvb_get_guint8(message_tvb, offset);
|
|
parameter_length = tvb_get_guint8(message_tvb, offset + parameter_pointer);
|
|
|
|
parameter_item = proto_tree_add_notext(isup_tree, message_tvb , offset + parameter_pointer, parameter_length + PARAMETER_LENGTH_IND_LENGTH);
|
|
parameter_tree = proto_item_add_subtree(parameter_item, ett_isup_parameter);
|
|
proto_tree_add_uint_format(parameter_tree, hf_isup_parameter_type, message_tvb, 0, 0, parameter_type, "Mandatory Parameter: %u (%s)", parameter_type, val_to_str(parameter_type, isup_parameter_type_value,"unknown"));
|
|
proto_tree_add_uint_format(parameter_tree, hf_isup_mandatory_variable_parameter_pointer, message_tvb, offset, PARAMETER_POINTER_LENGTH, parameter_pointer, "Pointer to Parameter: %u", parameter_pointer);
|
|
proto_tree_add_uint_format(parameter_tree, hf_isup_parameter_length, message_tvb, offset + parameter_pointer, PARAMETER_LENGTH_IND_LENGTH, parameter_length, "Parameter length: %u", parameter_length);
|
|
actual_length = tvb_length_remaining(message_tvb, offset);
|
|
parameter_tvb = tvb_new_subset(message_tvb, offset + parameter_pointer + PARAMETER_LENGTH_IND_LENGTH, MIN(parameter_length, actual_length), parameter_length );
|
|
dissect_isup_facility_ind_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
offset += PARAMETER_POINTER_LENGTH;
|
|
|
|
return offset;
|
|
}
|
|
|
|
/* ------------------------------------------------------------------
|
|
Dissector Message Type Facility request/accepted
|
|
*/
|
|
gint
|
|
dissect_isup_facility_request_accepted_message(tvbuff_t *message_tvb, proto_tree *isup_tree)
|
|
{ proto_item* parameter_item;
|
|
proto_tree* parameter_tree;
|
|
tvbuff_t *parameter_tvb;
|
|
gint offset = 0;
|
|
gint parameter_type, actual_length;
|
|
|
|
/* Do stuff for first mandatory fixed parameter: facility indicators*/
|
|
parameter_type = PARAM_TYPE_FACILITY_IND;
|
|
parameter_item = proto_tree_add_notext(isup_tree, message_tvb, offset, FACILITY_IND_LENGTH);
|
|
parameter_tree = proto_item_add_subtree(parameter_item, ett_isup_parameter);
|
|
proto_tree_add_uint_format(parameter_tree, hf_isup_parameter_type, message_tvb, 0, 0, parameter_type, "Mandatory Parameter: %u (%s)", parameter_type, val_to_str(parameter_type, isup_parameter_type_value,"unknown"));
|
|
actual_length = tvb_length_remaining(message_tvb, offset);
|
|
parameter_tvb = tvb_new_subset(message_tvb, offset, MIN(FACILITY_IND_LENGTH, actual_length), FACILITY_IND_LENGTH);
|
|
dissect_isup_facility_ind_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
offset += FACILITY_IND_LENGTH;
|
|
return offset;
|
|
}
|
|
/* ------------------------------------------------------------------
|
|
Dissector Message Type Facility reject
|
|
*/
|
|
gint
|
|
dissect_isup_facility_reject_message(tvbuff_t *message_tvb, proto_tree *isup_tree)
|
|
{ proto_item* parameter_item;
|
|
proto_tree* parameter_tree;
|
|
tvbuff_t *parameter_tvb;
|
|
gint offset = 0;
|
|
gint parameter_type, parameter_pointer, parameter_length, actual_length;
|
|
|
|
/* Do stuff for first mandatory fixed parameter: facility indicators*/
|
|
parameter_type = PARAM_TYPE_FACILITY_IND;
|
|
parameter_item = proto_tree_add_notext(isup_tree, message_tvb, offset, FACILITY_IND_LENGTH);
|
|
parameter_tree = proto_item_add_subtree(parameter_item, ett_isup_parameter);
|
|
proto_tree_add_uint_format(parameter_tree, hf_isup_parameter_type, message_tvb, 0, 0, parameter_type, "Mandatory Parameter: %u (%s)", parameter_type, val_to_str(parameter_type, isup_parameter_type_value,"unknown"));
|
|
actual_length = tvb_length_remaining(message_tvb, offset);
|
|
parameter_tvb = tvb_new_subset(message_tvb, offset, MIN(FACILITY_IND_LENGTH, actual_length), FACILITY_IND_LENGTH);
|
|
dissect_isup_facility_ind_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
offset += FACILITY_IND_LENGTH;
|
|
|
|
/* Do stuff for mandatory variable parameter Cause indicators */
|
|
parameter_type = PARAM_TYPE_CAUSE_INDICATORS;
|
|
|
|
parameter_pointer = tvb_get_guint8(message_tvb, offset);
|
|
parameter_length = tvb_get_guint8(message_tvb, offset + parameter_pointer);
|
|
|
|
parameter_item = proto_tree_add_notext(isup_tree, message_tvb , offset + parameter_pointer, parameter_length + PARAMETER_LENGTH_IND_LENGTH);
|
|
parameter_tree = proto_item_add_subtree(parameter_item, ett_isup_parameter);
|
|
proto_tree_add_uint_format(parameter_tree, hf_isup_parameter_type, message_tvb, 0, 0, parameter_type, "Mandatory Parameter: %u (%s)", parameter_type, val_to_str(parameter_type, isup_parameter_type_value,"unknown"));
|
|
proto_tree_add_uint_format(parameter_tree, hf_isup_mandatory_variable_parameter_pointer, message_tvb, offset, PARAMETER_POINTER_LENGTH, parameter_pointer, "Pointer to Parameter: %u", parameter_pointer);
|
|
proto_tree_add_uint_format(parameter_tree, hf_isup_parameter_length, message_tvb, offset + parameter_pointer, PARAMETER_LENGTH_IND_LENGTH, parameter_length, "Parameter length: %u", parameter_length);
|
|
actual_length = tvb_length_remaining(message_tvb, offset);
|
|
parameter_tvb = tvb_new_subset(message_tvb, offset + parameter_pointer + PARAMETER_LENGTH_IND_LENGTH, MIN(parameter_length, actual_length), parameter_length );
|
|
dissect_isup_cause_indicators_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
offset += PARAMETER_POINTER_LENGTH;
|
|
|
|
return offset;
|
|
}
|
|
/* ------------------------------------------------------------------
|
|
Dissector Message Type Circuit group reset acknowledgement message
|
|
*/
|
|
gint
|
|
dissect_isup_circuit_group_reset_acknowledgement_message(tvbuff_t *message_tvb, proto_tree *isup_tree)
|
|
{ proto_item* parameter_item;
|
|
proto_tree* parameter_tree;
|
|
tvbuff_t *parameter_tvb;
|
|
gint offset = 0;
|
|
gint parameter_type, parameter_pointer, parameter_length, actual_length;
|
|
|
|
/* Do stuff for mandatory variable parameter range and status*/
|
|
parameter_type = PARAM_TYPE_RANGE_AND_STATUS;
|
|
|
|
parameter_pointer = tvb_get_guint8(message_tvb, offset);
|
|
parameter_length = tvb_get_guint8(message_tvb, offset + parameter_pointer);
|
|
|
|
parameter_item = proto_tree_add_notext(isup_tree, message_tvb , offset + parameter_pointer, parameter_length + PARAMETER_LENGTH_IND_LENGTH);
|
|
parameter_tree = proto_item_add_subtree(parameter_item, ett_isup_parameter);
|
|
proto_tree_add_uint_format(parameter_tree, hf_isup_parameter_type, message_tvb, 0, 0, parameter_type, "Mandatory Parameter: %u (%s)", parameter_type, val_to_str(parameter_type, isup_parameter_type_value,"unknown"));
|
|
proto_tree_add_uint_format(parameter_tree, hf_isup_mandatory_variable_parameter_pointer, message_tvb, offset, PARAMETER_POINTER_LENGTH, parameter_pointer, "Pointer to Parameter: %u", parameter_pointer);
|
|
proto_tree_add_uint_format(parameter_tree, hf_isup_parameter_length, message_tvb, offset + parameter_pointer, PARAMETER_LENGTH_IND_LENGTH, parameter_length, "Parameter length: %u", parameter_length);
|
|
actual_length = tvb_length_remaining(message_tvb, offset);
|
|
parameter_tvb = tvb_new_subset(message_tvb, offset + parameter_pointer + PARAMETER_LENGTH_IND_LENGTH, MIN(parameter_length, actual_length), parameter_length );
|
|
dissect_isup_range_and_status_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
offset += PARAMETER_POINTER_LENGTH;
|
|
|
|
return offset;
|
|
}
|
|
/* ------------------------------------------------------------------
|
|
Dissector Message Type Circuit group query response message
|
|
*/
|
|
gint
|
|
dissect_isup_circuit_group_query_response_message(tvbuff_t *message_tvb, proto_tree *isup_tree)
|
|
{ proto_item* parameter_item;
|
|
proto_tree* parameter_tree;
|
|
tvbuff_t *parameter_tvb;
|
|
gint offset = 0;
|
|
gint parameter_type, parameter_pointer, parameter_length, actual_length;
|
|
|
|
/* Do stuff for 1. mandatory variable parameter range and status*/
|
|
parameter_type = PARAM_TYPE_RANGE_AND_STATUS;
|
|
|
|
parameter_pointer = tvb_get_guint8(message_tvb, offset);
|
|
parameter_length = tvb_get_guint8(message_tvb, offset + parameter_pointer);
|
|
|
|
parameter_item = proto_tree_add_notext(isup_tree, message_tvb , offset + parameter_pointer, parameter_length + PARAMETER_LENGTH_IND_LENGTH);
|
|
parameter_tree = proto_item_add_subtree(parameter_item, ett_isup_parameter);
|
|
proto_tree_add_uint_format(parameter_tree, hf_isup_parameter_type, message_tvb, 0, 0, parameter_type, "Mandatory Parameter: %u (%s)", parameter_type, val_to_str(parameter_type, isup_parameter_type_value,"unknown"));
|
|
proto_tree_add_uint_format(parameter_tree, hf_isup_mandatory_variable_parameter_pointer, message_tvb, offset, PARAMETER_POINTER_LENGTH, parameter_pointer, "Pointer to Parameter: %u", parameter_pointer);
|
|
proto_tree_add_uint_format(parameter_tree, hf_isup_parameter_length, message_tvb, offset + parameter_pointer, PARAMETER_LENGTH_IND_LENGTH, parameter_length, "Parameter length: %u", parameter_length);
|
|
actual_length = tvb_length_remaining(message_tvb, offset);
|
|
parameter_tvb = tvb_new_subset(message_tvb, offset + parameter_pointer + PARAMETER_LENGTH_IND_LENGTH, MIN(parameter_length, actual_length), parameter_length );
|
|
dissect_isup_range_and_status_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
offset += PARAMETER_POINTER_LENGTH;
|
|
|
|
/* Do stuff for 2. mandatory variable parameter Circuit state indicator*/
|
|
parameter_type = PARAM_TYPE_CIRC_STATE_IND;
|
|
|
|
parameter_pointer = tvb_get_guint8(message_tvb, offset);
|
|
parameter_length = tvb_get_guint8(message_tvb, offset + parameter_pointer);
|
|
|
|
parameter_item = proto_tree_add_notext(isup_tree, message_tvb , offset + parameter_pointer, parameter_length + PARAMETER_LENGTH_IND_LENGTH);
|
|
parameter_tree = proto_item_add_subtree(parameter_item, ett_isup_parameter);
|
|
proto_tree_add_uint_format(parameter_tree, hf_isup_parameter_type, message_tvb, 0, 0, parameter_type, "Mandatory Parameter: %u (%s)", parameter_type, val_to_str(parameter_type, isup_parameter_type_value,"unknown"));
|
|
proto_tree_add_uint_format(parameter_tree, hf_isup_mandatory_variable_parameter_pointer, message_tvb, offset, PARAMETER_POINTER_LENGTH, parameter_pointer, "Pointer to Parameter: %u", parameter_pointer);
|
|
proto_tree_add_uint_format(parameter_tree, hf_isup_parameter_length, message_tvb, offset + parameter_pointer, PARAMETER_LENGTH_IND_LENGTH, parameter_length, "Parameter length: %u", parameter_length);
|
|
actual_length = tvb_length_remaining(message_tvb, offset);
|
|
parameter_tvb = tvb_new_subset(message_tvb, offset + parameter_pointer + PARAMETER_LENGTH_IND_LENGTH, MIN(parameter_length, actual_length), parameter_length );
|
|
dissect_isup_circuit_state_ind_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
offset += PARAMETER_POINTER_LENGTH;
|
|
|
|
return offset;
|
|
}
|
|
/* ------------------------------------------------------------------
|
|
Dissector Message Type Call Progress
|
|
*/
|
|
gint
|
|
dissect_isup_call_progress_message(tvbuff_t *message_tvb, proto_tree *isup_tree)
|
|
{ proto_item* parameter_item;
|
|
proto_tree* parameter_tree;
|
|
tvbuff_t *parameter_tvb;
|
|
gint offset = 0;
|
|
gint parameter_type, actual_length;
|
|
|
|
/* Do stuff for first mandatory fixed parameter: Event information*/
|
|
parameter_type = PARAM_TYPE_EVENT_INFO;
|
|
parameter_item = proto_tree_add_notext(isup_tree, message_tvb, offset, EVENT_INFO_LENGTH);
|
|
parameter_tree = proto_item_add_subtree(parameter_item, ett_isup_parameter);
|
|
proto_tree_add_uint_format(parameter_tree, hf_isup_parameter_type, message_tvb, 0, 0, parameter_type, "Mandatory Parameter: %u (%s)", parameter_type, val_to_str(parameter_type, isup_parameter_type_value,"unknown"));
|
|
actual_length = tvb_length_remaining(message_tvb, offset);
|
|
parameter_tvb = tvb_new_subset(message_tvb, offset, MIN(EVENT_INFO_LENGTH, actual_length), EVENT_INFO_LENGTH);
|
|
dissect_isup_event_information_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
offset += EVENT_INFO_LENGTH;
|
|
return offset;
|
|
}
|
|
/* ------------------------------------------------------------------
|
|
Dissector Message Type User-to-User information
|
|
*/
|
|
gint
|
|
dissect_isup_user_to_user_information_message(tvbuff_t *message_tvb, proto_tree *isup_tree)
|
|
{ proto_item* parameter_item;
|
|
proto_tree* parameter_tree;
|
|
tvbuff_t *parameter_tvb;
|
|
gint offset = 0;
|
|
gint parameter_type, parameter_pointer, parameter_length, actual_length;
|
|
|
|
/* Do stuff for mandatory variable parameter User-to-user information*/
|
|
parameter_type = PARAM_TYPE_USER_TO_USER_INFO;
|
|
|
|
parameter_pointer = tvb_get_guint8(message_tvb, offset);
|
|
parameter_length = tvb_get_guint8(message_tvb, offset + parameter_pointer);
|
|
|
|
parameter_item = proto_tree_add_notext(isup_tree, message_tvb , offset + parameter_pointer, parameter_length + PARAMETER_LENGTH_IND_LENGTH);
|
|
parameter_tree = proto_item_add_subtree(parameter_item, ett_isup_parameter);
|
|
proto_tree_add_uint_format(parameter_tree, hf_isup_parameter_type, message_tvb, 0, 0, parameter_type, "Mandatory Parameter: %u (%s)", parameter_type, val_to_str(parameter_type, isup_parameter_type_value,"unknown"));
|
|
proto_tree_add_uint_format(parameter_tree, hf_isup_mandatory_variable_parameter_pointer, message_tvb, offset, PARAMETER_POINTER_LENGTH, parameter_pointer, "Pointer to Parameter: %u", parameter_pointer);
|
|
proto_tree_add_uint_format(parameter_tree, hf_isup_parameter_length, message_tvb, offset + parameter_pointer, PARAMETER_LENGTH_IND_LENGTH, parameter_length, "Parameter length: %u", parameter_length);
|
|
actual_length = tvb_length_remaining(message_tvb, offset);
|
|
parameter_tvb = tvb_new_subset(message_tvb, offset + parameter_pointer + PARAMETER_LENGTH_IND_LENGTH, MIN(parameter_length, actual_length), parameter_length );
|
|
dissect_isup_user_to_user_information_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
offset += PARAMETER_POINTER_LENGTH;
|
|
|
|
return offset;
|
|
}
|
|
/* ------------------------------------------------------------------
|
|
Dissector Message Type Confusion
|
|
*/
|
|
gint
|
|
dissect_isup_confusion_message(tvbuff_t *message_tvb, proto_tree *isup_tree)
|
|
{ proto_item* parameter_item;
|
|
proto_tree* parameter_tree;
|
|
tvbuff_t *parameter_tvb;
|
|
gint offset = 0;
|
|
gint parameter_type, parameter_pointer, parameter_length, actual_length;
|
|
|
|
/* Do stuff for mandatory variable parameter Cause indicators */
|
|
parameter_type = PARAM_TYPE_CAUSE_INDICATORS;
|
|
|
|
parameter_pointer = tvb_get_guint8(message_tvb, offset);
|
|
parameter_length = tvb_get_guint8(message_tvb, offset + parameter_pointer);
|
|
|
|
parameter_item = proto_tree_add_notext(isup_tree, message_tvb , offset + parameter_pointer, parameter_length + PARAMETER_LENGTH_IND_LENGTH);
|
|
parameter_tree = proto_item_add_subtree(parameter_item, ett_isup_parameter);
|
|
proto_tree_add_uint_format(parameter_tree, hf_isup_parameter_type, message_tvb, 0, 0, parameter_type, "Mandatory Parameter: %u (%s)", parameter_type, val_to_str(parameter_type, isup_parameter_type_value,"unknown"));
|
|
proto_tree_add_uint_format(parameter_tree, hf_isup_mandatory_variable_parameter_pointer, message_tvb, offset, PARAMETER_POINTER_LENGTH, parameter_pointer, "Pointer to Parameter: %u", parameter_pointer);
|
|
proto_tree_add_uint_format(parameter_tree, hf_isup_parameter_length, message_tvb, offset + parameter_pointer, PARAMETER_LENGTH_IND_LENGTH, parameter_length, "Parameter length: %u", parameter_length);
|
|
actual_length = tvb_length_remaining(message_tvb, offset);
|
|
parameter_tvb = tvb_new_subset(message_tvb, offset + parameter_pointer + PARAMETER_LENGTH_IND_LENGTH, MIN(parameter_length, actual_length), parameter_length );
|
|
dissect_isup_cause_indicators_parameter(parameter_tvb, parameter_tree, parameter_item);
|
|
offset += PARAMETER_POINTER_LENGTH;
|
|
|
|
return offset;
|
|
}
|
|
/* ------------------------------------------------------------------ */
|
|
void
|
|
dissect_isup_message(tvbuff_t *message_tvb, packet_info *pinfo, proto_tree *isup_tree)
|
|
{
|
|
tvbuff_t *parameter_tvb;
|
|
tvbuff_t *optional_parameter_tvb;
|
|
proto_item* pass_along_item;
|
|
proto_tree* pass_along_tree;
|
|
gint offset, bufferlength;
|
|
guint8 message_type, opt_parameter_pointer;
|
|
gint opt_part_possible = FALSE; /* default setting - for message types allowing optional
|
|
params explicitely set to TRUE in case statement */
|
|
offset = 0;
|
|
|
|
/* Extract message type field */
|
|
message_type = tvb_get_guint8(message_tvb,0);
|
|
|
|
if (check_col(pinfo->fd, COL_INFO)){
|
|
col_append_str(pinfo->fd, COL_INFO, val_to_str(message_type, isup_message_type_value, "reserved"));
|
|
col_append_str(pinfo->fd, COL_INFO, " ");
|
|
}
|
|
|
|
proto_tree_add_uint_format(isup_tree, hf_isup_message_type, message_tvb, 0, MESSAGE_TYPE_LENGTH, message_type, "Message type: %s (%u)", val_to_str(message_type, isup_message_type_value, "reserved"), message_type);
|
|
offset += MESSAGE_TYPE_LENGTH;
|
|
|
|
bufferlength = tvb_length_remaining(message_tvb, offset);
|
|
parameter_tvb = tvb_new_subset(message_tvb, offset, bufferlength, bufferlength);
|
|
|
|
/* distinguish between message types:*/
|
|
switch (message_type) {
|
|
case MESSAGE_TYPE_INITIAL_ADDR:
|
|
offset += dissect_isup_initial_address_message(parameter_tvb, isup_tree);
|
|
opt_part_possible = TRUE;
|
|
break;
|
|
case MESSAGE_TYPE_SUBSEQ_ADDR:
|
|
offset += dissect_isup_subsequent_address_message(parameter_tvb, isup_tree);
|
|
opt_part_possible = TRUE;
|
|
break;
|
|
case MESSAGE_TYPE_INFO_REQ:
|
|
offset += dissect_isup_information_request_message(parameter_tvb, isup_tree);
|
|
opt_part_possible = TRUE;
|
|
break;
|
|
case MESSAGE_TYPE_INFO:
|
|
offset += dissect_isup_information_message(parameter_tvb, isup_tree);
|
|
opt_part_possible = TRUE;
|
|
break;
|
|
case MESSAGE_TYPE_CONTINUITY:
|
|
offset += dissect_isup_continuity_message(parameter_tvb, isup_tree);
|
|
break;
|
|
case MESSAGE_TYPE_ADDR_CMPL:
|
|
offset += dissect_isup_address_complete_message(parameter_tvb, isup_tree);
|
|
opt_part_possible = TRUE;
|
|
break;
|
|
case MESSAGE_TYPE_CONNECT:
|
|
offset += dissect_isup_connect_message(parameter_tvb, isup_tree);
|
|
opt_part_possible = TRUE;
|
|
break;
|
|
case MESSAGE_TYPE_FORW_TRANS:
|
|
/* no dissector necessary since no mandatory parameters included */
|
|
opt_part_possible = TRUE;
|
|
break;
|
|
case MESSAGE_TYPE_ANSWER:
|
|
/* no dissector necessary since no mandatory parameters included */
|
|
opt_part_possible = TRUE;
|
|
break;
|
|
case MESSAGE_TYPE_RELEASE:
|
|
offset += dissect_isup_release_message(parameter_tvb, isup_tree);
|
|
opt_part_possible = TRUE;
|
|
break;
|
|
case MESSAGE_TYPE_SUSPEND:
|
|
offset += dissect_isup_suspend_resume_message(parameter_tvb, isup_tree);
|
|
opt_part_possible = TRUE;
|
|
break;
|
|
case MESSAGE_TYPE_RESUME:
|
|
offset += dissect_isup_suspend_resume_message(parameter_tvb, isup_tree);
|
|
opt_part_possible = TRUE;
|
|
break;
|
|
case MESSAGE_TYPE_REL_CMPL:
|
|
/* no dissector necessary since no mandatory parameters included */
|
|
opt_part_possible = TRUE;
|
|
break;
|
|
case MESSAGE_TYPE_CONT_CHECK_REQ:
|
|
/* no dissector necessary since no mandatory parameters included */
|
|
break;
|
|
case MESSAGE_TYPE_RESET_CIRCUIT:
|
|
/* no dissector necessary since no mandatory parameters included */
|
|
break;
|
|
case MESSAGE_TYPE_BLOCKING:
|
|
/* no dissector necessary since no mandatory parameters included */
|
|
break;
|
|
case MESSAGE_TYPE_UNBLOCKING:
|
|
/* no dissector necessary since no mandatory parameters included */
|
|
break;
|
|
case MESSAGE_TYPE_BLOCK_ACK:
|
|
/* no dissector necessary since no mandatory parameters included */
|
|
break;
|
|
case MESSAGE_TYPE_UNBLOCK_ACK:
|
|
/* no dissector necessary since no mandatory parameters included */
|
|
break;
|
|
case MESSAGE_TYPE_CIRC_GRP_RST:
|
|
offset += dissect_isup_circuit_group_reset_query_message(parameter_tvb, isup_tree);
|
|
break;
|
|
case MESSAGE_TYPE_CIRC_GRP_BLCK:
|
|
offset += dissect_isup_circuit_group_blocking_messages(parameter_tvb, isup_tree);
|
|
break;
|
|
case MESSAGE_TYPE_CIRC_GRP_UNBL:
|
|
offset += dissect_isup_circuit_group_blocking_messages(parameter_tvb, isup_tree);
|
|
break;
|
|
case MESSAGE_TYPE_CIRC_GRP_BL_ACK:
|
|
offset += dissect_isup_circuit_group_blocking_messages(parameter_tvb, isup_tree);
|
|
break;
|
|
case MESSAGE_TYPE_CIRC_GRP_UNBL_ACK:
|
|
offset += dissect_isup_circuit_group_blocking_messages(parameter_tvb, isup_tree);
|
|
break;
|
|
case MESSAGE_TYPE_FACILITY_REQ:
|
|
offset += dissect_isup_facility_request_accepted_message(parameter_tvb, isup_tree);
|
|
opt_part_possible = TRUE;
|
|
break;
|
|
case MESSAGE_TYPE_FACILITY_ACC:
|
|
offset += dissect_isup_facility_request_accepted_message(parameter_tvb, isup_tree);
|
|
opt_part_possible = TRUE;
|
|
break;
|
|
case MESSAGE_TYPE_FACILITY_REJ:
|
|
offset += dissect_isup_facility_reject_message(parameter_tvb, isup_tree);
|
|
opt_part_possible = TRUE;
|
|
break;
|
|
case MESSAGE_TYPE_LOOP_BACK_ACK:
|
|
/* no dissector necessary since no mandatory parameters included */
|
|
break;
|
|
case MESSAGE_TYPE_PASS_ALONG:
|
|
/* call dissect_isup_message recursively */
|
|
{ guint8 pa_message_type;
|
|
pa_message_type = tvb_get_guint8(parameter_tvb, 0);
|
|
pass_along_item = proto_tree_add_text(isup_tree, parameter_tvb, offset, tvb_length_remaining(parameter_tvb, offset), "Pass-along: %s Message (%u)", val_to_str(pa_message_type, isup_message_type_value, "reserved"), pa_message_type);
|
|
pass_along_tree = proto_item_add_subtree(pass_along_item, ett_isup_pass_along_message);
|
|
dissect_isup_message(parameter_tvb, pinfo, pass_along_tree);
|
|
break;
|
|
}
|
|
case MESSAGE_TYPE_CIRC_GRP_RST_ACK:
|
|
offset += dissect_isup_circuit_group_reset_acknowledgement_message(parameter_tvb, isup_tree);
|
|
break;
|
|
case MESSAGE_TYPE_CIRC_GRP_QRY:
|
|
offset += dissect_isup_circuit_group_reset_query_message(parameter_tvb, isup_tree);
|
|
break;
|
|
case MESSAGE_TYPE_CIRC_GRP_QRY_RSP:
|
|
offset += dissect_isup_circuit_group_query_response_message(parameter_tvb, isup_tree);
|
|
break;
|
|
case MESSAGE_TYPE_CALL_PROGRSS:
|
|
offset += dissect_isup_call_progress_message(parameter_tvb, isup_tree);
|
|
opt_part_possible = TRUE;
|
|
break;
|
|
case MESSAGE_TYPE_USER2USER_INFO:
|
|
offset += dissect_isup_user_to_user_information_message(parameter_tvb, isup_tree);
|
|
opt_part_possible = TRUE;
|
|
break;
|
|
case MESSAGE_TYPE_UNEQUIPPED_CIC:
|
|
/* no dissector necessary since no mandatory parameters included */
|
|
break;
|
|
case MESSAGE_TYPE_CONFUSION:
|
|
offset += dissect_isup_confusion_message(parameter_tvb, isup_tree);
|
|
opt_part_possible = TRUE;
|
|
break;
|
|
case MESSAGE_TYPE_OVERLOAD:
|
|
/* no dissector necessary since no mandatory parameters included */
|
|
break;
|
|
case MESSAGE_TYPE_CHARGE_INFO:
|
|
/* do nothing since format is a national matter */
|
|
proto_tree_add_text(isup_tree, parameter_tvb, 0, bufferlength, "Format is a national matter");
|
|
break;
|
|
case MESSAGE_TYPE_NETW_RESRC_MGMT:
|
|
/* no dissector necessary since no mandatory parameters included */
|
|
opt_part_possible = TRUE;
|
|
break;
|
|
case MESSAGE_TYPE_FACILITY:
|
|
/* no dissector necessary since no mandatory parameters included */
|
|
opt_part_possible = TRUE;
|
|
break;
|
|
case MESSAGE_TYPE_USER_PART_TEST:
|
|
/* no dissector necessary since no mandatory parameters included */
|
|
opt_part_possible = TRUE;
|
|
break;
|
|
case MESSAGE_TYPE_USER_PART_AVAIL:
|
|
/* no dissector necessary since no mandatory parameters included */
|
|
opt_part_possible = TRUE;
|
|
break;
|
|
case MESSAGE_TYPE_IDENT_REQ:
|
|
/* no dissector necessary since no mandatory parameters included */
|
|
opt_part_possible = TRUE;
|
|
break;
|
|
case MESSAGE_TYPE_IDENT_RSP:
|
|
/* no dissector necessary since no mandatory parameters included */
|
|
opt_part_possible = TRUE;
|
|
break;
|
|
case MESSAGE_TYPE_SEGMENTATION:
|
|
/* no dissector necessary since no mandatory parameters included */
|
|
opt_part_possible = TRUE;
|
|
break;
|
|
case MESSAGE_TYPE_LOOP_PREVENTION:
|
|
/* no dissector necessary since no mandatory parameters included */
|
|
opt_part_possible = TRUE;
|
|
break;
|
|
default:
|
|
proto_tree_add_text(isup_tree, parameter_tvb, 0, bufferlength, "Unknown Message type (possibly reserved/used in former ISUP version)");
|
|
break;
|
|
}
|
|
|
|
/* extract pointer to start of optional part (if any) */
|
|
if (opt_part_possible == TRUE){
|
|
opt_parameter_pointer = tvb_get_guint8(message_tvb, offset);
|
|
if (opt_parameter_pointer > 0){
|
|
proto_tree_add_uint_format(isup_tree, hf_isup_pointer_to_start_of_optional_part, message_tvb, offset, PARAMETER_POINTER_LENGTH, opt_parameter_pointer, "Pointer to start of optional part: %u", opt_parameter_pointer);
|
|
offset += opt_parameter_pointer;
|
|
optional_parameter_tvb = tvb_new_subset(message_tvb, offset, -1, -1 );
|
|
dissect_isup_optional_parameter(optional_parameter_tvb, isup_tree);
|
|
}
|
|
else
|
|
proto_tree_add_uint_format(isup_tree, hf_isup_pointer_to_start_of_optional_part, message_tvb, offset, PARAMETER_POINTER_LENGTH, opt_parameter_pointer, "No optional parameter present (Pointer: %u)", opt_parameter_pointer);
|
|
}
|
|
else if (message_type !=MESSAGE_TYPE_CHARGE_INFO)
|
|
proto_tree_add_text(isup_tree, message_tvb, 0, 0, "No optional parameters are possible with this message type");
|
|
|
|
}
|
|
|
|
/* ------------------------------------------------------------------ */
|
|
void
|
|
dissect_isup(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
|
|
{
|
|
|
|
/* Set up structures needed to add the protocol subtree and manage it */
|
|
proto_item *ti;
|
|
proto_tree *isup_tree;
|
|
tvbuff_t *message_tvb;
|
|
guint16 cic;
|
|
|
|
/* Make entries in Protocol column and Info column on summary display */
|
|
if (check_col(pinfo->fd, COL_PROTOCOL))
|
|
col_set_str(pinfo->fd, COL_PROTOCOL, "ISUP");
|
|
|
|
if (check_col(pinfo->fd, COL_INFO))
|
|
col_add_str(pinfo->fd, COL_INFO, "ISUP message: ");
|
|
|
|
/* In the interest of speed, if "tree" is NULL, don't do any work not
|
|
necessary to generate protocol tree items. */
|
|
if (tree) {
|
|
ti = proto_tree_add_item(tree, proto_isup, tvb, 0, tvb_length(tvb), FALSE);
|
|
isup_tree = proto_item_add_subtree(ti, ett_isup);
|
|
|
|
/* dissect CIC in main dissector since pass-along message type carrying complete IUSP message w/o CIC needs
|
|
recursive message dissector call */
|
|
cic = tvb_get_letohs(tvb, CIC_OFFSET) & 0x0FFF; /*since upper 4 bits spare */
|
|
|
|
proto_tree_add_uint_format(isup_tree, hf_isup_cic, tvb, CIC_OFFSET, CIC_LENGTH, cic, "CIC: %u", cic);
|
|
|
|
message_tvb = tvb_new_subset(tvb, CIC_LENGTH, -1, -1);
|
|
dissect_isup_message(message_tvb, pinfo, isup_tree);
|
|
}
|
|
}
|
|
|
|
|
|
/*---------------------------------------------------------------------*/
|
|
/* Register the protocol with Ethereal */
|
|
void
|
|
proto_register_isup(void)
|
|
{
|
|
/* Setup list of header fields See Section 1.6.1 for details*/
|
|
static hf_register_info hf[] = {
|
|
{ &hf_isup_cic,
|
|
{ "CIC", "isup.cic",
|
|
FT_UINT16, BASE_HEX, NULL, 0xFF0F,
|
|
"", HFILL }},
|
|
|
|
{ &hf_isup_message_type,
|
|
{ "Message Type", "isup.message_type",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
"", HFILL }},
|
|
|
|
{ &hf_isup_parameter_type,
|
|
{ "Parameter Type", "isup.parameter_type",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
"", HFILL }},
|
|
|
|
{ &hf_isup_parameter_length,
|
|
{ "Parameter Length", "isup.parameter_length",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
"", HFILL }},
|
|
|
|
{ &hf_isup_mandatory_variable_parameter_pointer,
|
|
{ "Pointer to Parameter", "isup.mandatory_variable_parameter_pointer",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
"", HFILL }},
|
|
|
|
{ &hf_isup_pointer_to_start_of_optional_part,
|
|
{ "Pointer to optional parameter part", "isup.optional_parameter_part_pointer",
|
|
FT_UINT8, BASE_DEC, NULL, 0x0,
|
|
"", HFILL }},
|
|
|
|
{ &hf_isup_satellite_indicator,
|
|
{ "Satellite Indicator", "isup.satellite_indicator",
|
|
FT_UINT8, BASE_HEX, VALS(isup_satellite_ind_value), BA_8BIT_MASK,
|
|
"", HFILL }},
|
|
|
|
{ &hf_isup_continuity_check_indicator,
|
|
{ "Continuity Check Indicator", "isup.continuity_check_indicator",
|
|
FT_UINT8, BASE_HEX, VALS(isup_continuity_check_ind_value), DC_8BIT_MASK,
|
|
"", HFILL }},
|
|
|
|
{ &hf_isup_echo_control_device_indicator,
|
|
{ "Echo Control Device Indicator", "isup.echo_control_device_indicator",
|
|
FT_BOOLEAN, 8, TFS(&isup_echo_control_device_ind_value),E_8BIT_MASK,
|
|
"", HFILL }},
|
|
|
|
{ &hf_isup_forw_call_natnl_inatnl_call_indicator,
|
|
{ "National/international call indicator", "isup.forw_call_natnl_inatnl_call_indicator",
|
|
FT_BOOLEAN, 16, TFS(&isup_natnl_inatnl_call_ind_value),A_16BIT_MASK,
|
|
"", HFILL }},
|
|
|
|
{ &hf_isup_forw_call_end_to_end_method_indicator,
|
|
{ "End-to-end method indicator", "isup.forw_call_end_to_end_method_indicator",
|
|
FT_UINT16, BASE_HEX, VALS(isup_end_to_end_method_ind_value), CB_16BIT_MASK,
|
|
"", HFILL }},
|
|
|
|
{ &hf_isup_forw_call_interworking_indicator,
|
|
{ "Interworking indicator", "isup.forw_call_interworking_indicator",
|
|
FT_BOOLEAN, 16, TFS(&isup_interworking_ind_value), D_16BIT_MASK,
|
|
"", HFILL }},
|
|
|
|
{ &hf_isup_forw_call_end_to_end_info_indicator,
|
|
{ "End-to-end information indicator", "isup.forw_call_end_to_end_information_indicator",
|
|
FT_BOOLEAN, 16, TFS(&isup_end_to_end_info_ind_value), E_16BIT_MASK,
|
|
"", HFILL }},
|
|
|
|
{ &hf_isup_forw_call_isdn_user_part_indicator,
|
|
{ "ISDN user part indicator", "isup.forw_call_isdn_user_part_indicator",
|
|
FT_BOOLEAN, 16, TFS(&isup_ISDN_user_part_ind_value), F_16BIT_MASK,
|
|
"", HFILL }},
|
|
|
|
{ &hf_isup_forw_call_preferences_indicator,
|
|
{ "ISDN user part preference indicator", "isup.forw_call_preferences_indicator",
|
|
FT_UINT16, BASE_HEX, VALS(isup_preferences_ind_value), HG_16BIT_MASK,
|
|
"", HFILL }},
|
|
|
|
{ &hf_isup_forw_call_isdn_access_indicator,
|
|
{ "ISDN access indicator", "isup.forw_call_isdn_access_indicator",
|
|
FT_BOOLEAN, 16, TFS(&isup_ISDN_originating_access_ind_value), I_16BIT_MASK,
|
|
"", HFILL }},
|
|
|
|
{ &hf_isup_forw_call_sccp_method_indicator,
|
|
{ "SCCP method indicator", "isup.forw_call_sccp_method_indicator",
|
|
FT_UINT16, BASE_HEX, VALS(isup_SCCP_method_ind_value), KJ_16BIT_MASK,
|
|
"", HFILL }},
|
|
|
|
{ &hf_isup_calling_partys_category,
|
|
{ "Calling Party's category", "isup.calling_partys_category",
|
|
FT_UINT8, BASE_HEX, VALS(isup_calling_partys_category_value), 0x0,
|
|
"", HFILL }},
|
|
|
|
{ &hf_isup_transmission_medium_requirement,
|
|
{ "Transmission medium requirement", "isup.transmission_medium_requirement",
|
|
FT_UINT8, BASE_DEC, VALS(isup_transmission_medium_requirement_value), 0x0,
|
|
"", HFILL }},
|
|
|
|
{ &hf_isup_odd_even_indicator,
|
|
{ "Odd/even indicator", "isup.isdn_odd_even_indicator",
|
|
FT_BOOLEAN, 8, TFS(&isup_odd_even_ind_value), ISUP_ODD_EVEN_MASK,
|
|
"", HFILL }},
|
|
|
|
{ &hf_isup_called_party_nature_of_address_indicator,
|
|
{ "Nature of address indicator", "isup.called_party_nature_of_address_indicator",
|
|
FT_UINT8, BASE_DEC, VALS(isup_called_party_nature_of_address_ind_value), ISUP_NATURE_OF_ADDRESS_IND_MASK,
|
|
"", HFILL }},
|
|
|
|
{ &hf_isup_calling_party_nature_of_address_indicator,
|
|
{ "Nature of address indicator", "isup.calling_party_nature_of_address_indicator",
|
|
FT_UINT8, BASE_DEC, VALS(isup_calling_party_nature_of_address_ind_value), ISUP_NATURE_OF_ADDRESS_IND_MASK,
|
|
"", HFILL }},
|
|
|
|
{ &hf_isup_inn_indicator,
|
|
{ "INN indicator", "isup.inn_indicator",
|
|
FT_BOOLEAN, 8, TFS(&isup_INN_ind_value), ISUP_INN_MASK,
|
|
"", HFILL }},
|
|
|
|
{ &hf_isup_ni_indicator,
|
|
{ "NI indicator", "isup.ni_indicator",
|
|
FT_BOOLEAN, 8, TFS(&isup_NI_ind_value), ISUP_NI_MASK,
|
|
"", HFILL }},
|
|
|
|
{ &hf_isup_numbering_plan_indicator,
|
|
{ "Numbering plan indicator", "isup.numbering_plan_indicator",
|
|
FT_UINT8, BASE_DEC, VALS(isup_numbering_plan_ind_value), ISUP_NUMBERING_PLAN_IND_MASK,
|
|
"", HFILL }},
|
|
|
|
{ &hf_isup_address_presentation_restricted_indicator,
|
|
{ "Address presentation restricted indicator", "isup.address_presentation_restricted_indicator",
|
|
FT_UINT8, BASE_DEC, VALS(isup_address_presentation_restricted_ind_value), ISUP_ADDRESS_PRESENTATION_RESTR_IND_MASK,
|
|
"", HFILL }},
|
|
|
|
{ &hf_isup_screening_indicator,
|
|
{ "Screening indicator", "isup.screening_indicator",
|
|
FT_UINT8, BASE_DEC, VALS(isup_screening_ind_value), ISUP_SCREENING_IND_MASK,
|
|
"", HFILL }},
|
|
|
|
{ &hf_isup_screening_indicator_enhanced,
|
|
{ "Screening indicator", "isup.screening_indicator_enhanced",
|
|
FT_UINT8, BASE_DEC, VALS(isup_screening_ind_enhanced_value), ISUP_SCREENING_IND_MASK,
|
|
"", HFILL }},
|
|
|
|
{ &hf_isup_called_party_odd_address_signal_digit,
|
|
{ "Address signal digit", "isup.called_party_odd_address_signal_digit",
|
|
FT_UINT8, BASE_DEC, VALS(isup_called_party_address_digit_value), ISUP_ODD_ADDRESS_SIGNAL_DIGIT_MASK,
|
|
"", HFILL }},
|
|
|
|
{ &hf_isup_calling_party_odd_address_signal_digit,
|
|
{ "Address signal digit", "isup.calling_party_odd_address_signal_digit",
|
|
FT_UINT8, BASE_DEC, VALS(isup_calling_party_address_digit_value), ISUP_ODD_ADDRESS_SIGNAL_DIGIT_MASK,
|
|
"", HFILL }},
|
|
|
|
{ &hf_isup_called_party_even_address_signal_digit,
|
|
{ "Address signal digit", "isup.called_party_even_address_signal_digit",
|
|
FT_UINT8, BASE_DEC, VALS(isup_called_party_address_digit_value), ISUP_EVEN_ADDRESS_SIGNAL_DIGIT_MASK,
|
|
"", HFILL }},
|
|
|
|
{ &hf_isup_calling_party_even_address_signal_digit,
|
|
{ "Address signal digit", "isup.calling_party_even_address_signal_digit",
|
|
FT_UINT8, BASE_DEC, VALS(isup_calling_party_address_digit_value), ISUP_EVEN_ADDRESS_SIGNAL_DIGIT_MASK,
|
|
"", HFILL }},
|
|
|
|
{ &hf_isup_calling_party_address_request_indicator,
|
|
{ "Calling party address request indicator", "isup.calling_party_address_request_indicator",
|
|
FT_BOOLEAN, 16, TFS(&isup_calling_party_address_request_ind_value), A_16BIT_MASK,
|
|
"", HFILL }},
|
|
|
|
{ &hf_isup_info_req_holding_indicator,
|
|
{ "Holding indicator", "isup.info_req_holding_indicator",
|
|
FT_BOOLEAN, 16, TFS(&isup_holding_ind_value), B_16BIT_MASK,
|
|
"", HFILL }},
|
|
|
|
{ &hf_isup_calling_partys_category_request_indicator,
|
|
{ "Calling party's category request indicator", "isup.calling_partys_category_request_indicator",
|
|
FT_BOOLEAN, 16, TFS(&isup_calling_partys_category_request_ind_value), D_16BIT_MASK,
|
|
"", HFILL }},
|
|
|
|
{ &hf_isup_charge_information_request_indicator,
|
|
{ "Charge information request indicator", "isup.charge_information_request_indicator",
|
|
FT_BOOLEAN, 16, TFS(&isup_charge_information_request_ind_value), E_16BIT_MASK,
|
|
"", HFILL }},
|
|
|
|
{ &hf_isup_malicious_call_identification_request_indicator,
|
|
{ "Malicious call identification request indicator (ISUP'88)", "isup.malicious_call_ident_request_indicator",
|
|
FT_BOOLEAN, 16, TFS(&isup_malicious_call_identification_request_ind_value), H_16BIT_MASK,
|
|
"", HFILL }},
|
|
|
|
{ &hf_isup_calling_party_address_response_indicator,
|
|
{ "Calling party address response indicator", "isup.calling_party_address_response_indicator",
|
|
FT_UINT16, BASE_HEX, VALS(isup_calling_party_address_response_ind_value), BA_16BIT_MASK,
|
|
"", HFILL }},
|
|
|
|
{ &hf_isup_hold_provided_indicator,
|
|
{ "Hold provided indicator", "isup.hold_provided_indicator",
|
|
FT_BOOLEAN, 16, TFS(&isup_hold_provided_ind_value), C_16BIT_MASK,
|
|
"", HFILL }},
|
|
|
|
{ &hf_isup_calling_partys_category_response_indicator,
|
|
{ "Calling party's category response indicator", "isup.calling_partys_category_response_indicator",
|
|
FT_BOOLEAN, 16, TFS(&isup_calling_partys_category_response_ind_value), F_16BIT_MASK,
|
|
"", HFILL }},
|
|
|
|
{ &hf_isup_charge_information_response_indicator,
|
|
{ "Charge information response indicator", "isup.charge_information_response_indicator",
|
|
FT_BOOLEAN, 16, TFS(&isup_charge_information_response_ind_value), G_16BIT_MASK,
|
|
"", HFILL }},
|
|
|
|
{ &hf_isup_solicited_indicator,
|
|
{ "Solicited indicator", "isup.solicided_indicator",
|
|
FT_BOOLEAN, 16, TFS(&isup_solicited_information_ind_value), H_16BIT_MASK,
|
|
"", HFILL }},
|
|
|
|
{ &hf_isup_continuity_indicator,
|
|
{ "Continuity indicator", "isup.continuity_indicator",
|
|
FT_BOOLEAN, 8, TFS(&isup_continuity_ind_value), A_8BIT_MASK,
|
|
"", HFILL }},
|
|
|
|
{ &hf_isup_backw_call_charge_ind,
|
|
{ "Charge indicator", "isup.charge_indicator",
|
|
FT_UINT16, BASE_HEX, VALS(isup_charge_ind_value), BA_16BIT_MASK,
|
|
"", HFILL }},
|
|
|
|
{ &hf_isup_backw_call_called_partys_status_ind,
|
|
{ "Called party's status indicator", "isup.called_partys_status_indicator",
|
|
FT_UINT16, BASE_HEX, VALS(isup_called_partys_status_ind_value), DC_16BIT_MASK,
|
|
"", HFILL }},
|
|
|
|
{ &hf_isup_backw_call_called_partys_category_ind,
|
|
{ "Called party's category indicator", "isup.called_partys_category_indicator",
|
|
FT_UINT16, BASE_HEX, VALS(isup_called_partys_category_ind_value), FE_16BIT_MASK,
|
|
"", HFILL }},
|
|
|
|
{ &hf_isup_backw_call_end_to_end_method_ind,
|
|
{ "End-to-end method indicator", "isup.backw_call_end_to_end_method_indicator",
|
|
FT_UINT16, BASE_HEX, VALS(isup_end_to_end_method_ind_value), HG_16BIT_MASK,
|
|
"", HFILL }},
|
|
|
|
{ &hf_isup_backw_call_interworking_ind,
|
|
{ "Interworking indicator", "isup.backw_call_interworking_indicator",
|
|
FT_BOOLEAN, 16, TFS(&isup_interworking_ind_value), I_16BIT_MASK,
|
|
"", HFILL }},
|
|
|
|
{ &hf_isup_backw_call_end_to_end_info_ind,
|
|
{ "End-to-end information indicator", "isup.backw_call_end_to_end_information_indicator",
|
|
FT_BOOLEAN, 16, TFS(&isup_end_to_end_info_ind_value), J_16BIT_MASK,
|
|
"", HFILL }},
|
|
|
|
{ &hf_isup_backw_call_isdn_user_part_ind,
|
|
{ "ISDN user part indicator", "isup.backw_call_isdn_user_part_indicator",
|
|
FT_BOOLEAN, 16, TFS(&isup_ISDN_user_part_ind_value), K_16BIT_MASK,
|
|
"", HFILL }},
|
|
|
|
{ &hf_isup_backw_call_holding_ind,
|
|
{ "Holding indicator", "isup.backw_call_holding_indicator",
|
|
FT_BOOLEAN, 16, TFS(&isup_holding_ind_value), L_16BIT_MASK,
|
|
"", HFILL }},
|
|
|
|
{ &hf_isup_backw_call_isdn_access_ind,
|
|
{ "ISDN access indicator", "isup.backw_call_isdn_access_indicator",
|
|
FT_BOOLEAN, 16, TFS(&isup_ISDN_terminating_access_ind_value), M_16BIT_MASK,
|
|
"", HFILL }},
|
|
|
|
{ &hf_isup_backw_call_echo_control_device_ind,
|
|
{ "Echo Control Device Indicator", "isup.backw_call_echo_control_device_indicator",
|
|
FT_BOOLEAN, 16, TFS(&isup_echo_control_device_ind_value), N_16BIT_MASK,
|
|
"", HFILL }},
|
|
|
|
{ &hf_isup_backw_call_sccp_method_ind,
|
|
{ "SCCP method indicator", "isup.backw_call_sccp_method_indicator",
|
|
FT_UINT16, BASE_HEX, VALS(isup_SCCP_method_ind_value), PO_16BIT_MASK,
|
|
"", HFILL }},
|
|
|
|
{ &hf_isup_suspend_resume_indicator,
|
|
{ "Suspend/Resume indicator", "isup.suspend_resume_indicator",
|
|
FT_BOOLEAN, 8, TFS(&isup_suspend_resume_ind_value), A_8BIT_MASK,
|
|
"", HFILL }},
|
|
|
|
{ &hf_isup_transmission_medium_requirement,
|
|
{ "Transmission medium requirement", "isup.transmission_medium_requirement",
|
|
FT_UINT8, BASE_DEC, VALS(isup_transmission_medium_requirement_value), 0x0,
|
|
"", HFILL }},
|
|
|
|
{ &hf_isup_range_indicator,
|
|
{ "Range indicator", "isup.range_indicator",
|
|
FT_UINT8, BASE_DEC, NULL , 0x0,
|
|
"", HFILL }},
|
|
|
|
{ &hf_isup_cgs_message_type,
|
|
{ "Circuit group supervision message type", "isup.cgs_message_type",
|
|
FT_UINT8, BASE_DEC, VALS(isup_cgs_message_type_value), BA_8BIT_MASK,
|
|
"", HFILL }},
|
|
|
|
{ &hf_isup_mtc_blocking_state1,
|
|
{ "Maintenance blocking state", "isup.mtc_blocking_state",
|
|
FT_UINT8, BASE_DEC, VALS(isup_mtc_blocking_state_DC00_value), BA_8BIT_MASK,
|
|
"", HFILL }},
|
|
|
|
{ &hf_isup_mtc_blocking_state2,
|
|
{ "Maintenance blocking state", "isup.mtc_blocking_state",
|
|
FT_UINT8, BASE_DEC, VALS(isup_mtc_blocking_state_DCnot00_value), BA_8BIT_MASK,
|
|
"", HFILL }},
|
|
|
|
{ &hf_isup_call_proc_state,
|
|
{ "Call processing state", "isup.call_processing_state",
|
|
FT_UINT8, BASE_DEC, VALS(isup_call_processing_state_value), DC_8BIT_MASK,
|
|
"", HFILL }},
|
|
|
|
{ &hf_isup_hw_blocking_state,
|
|
{ "HW blocking state", "isup.hw_blocking_state",
|
|
FT_UINT8, BASE_DEC, VALS(isup_HW_blocking_state_value), FE_8BIT_MASK,
|
|
"", HFILL }},
|
|
|
|
{ &hf_isup_event_ind,
|
|
{ "Event indicator", "isup.event_ind",
|
|
FT_UINT8, 8, NULL, 0x0,
|
|
"", HFILL }},
|
|
|
|
{ &hf_isup_event_presentation_restricted_ind,
|
|
{ "Event presentation restricted indicator", "isup.event_presentatiation_restr_ind",
|
|
FT_BOOLEAN, 8, TFS(&isup_event_presentation_restricted_ind_value), H_8BIT_MASK,
|
|
"", HFILL }},
|
|
|
|
{ &hf_isup_cug_call_ind,
|
|
{ "Closed user group call indicator", "isup.clg_call_ind",
|
|
FT_UINT8, BASE_DEC, VALS(isup_CUG_call_ind_value), BA_8BIT_MASK,
|
|
"", HFILL }},
|
|
|
|
{ &hf_isup_simple_segmentation_ind,
|
|
{ "Simple segmentation indicator", "isup.simple_segmentation_ind",
|
|
FT_BOOLEAN, 8, TFS(&isup_simple_segmentation_ind_value), C_8BIT_MASK,
|
|
"", HFILL }},
|
|
|
|
{ &hf_isup_connected_line_identity_request_ind,
|
|
{ "Connected line identity request indicator", "isup.connected_line_identity_request_ind",
|
|
FT_BOOLEAN, 8, TFS(&isup_connected_line_identity_request_ind_value), H_8BIT_MASK,
|
|
"", HFILL }},
|
|
|
|
{ &hf_isup_redirecting_ind,
|
|
{ "Redirection indicator", "isup.redirecting_ind",
|
|
FT_UINT16, BASE_DEC, VALS(isup_redirecting_ind_value), CBA_16BIT_MASK,
|
|
"", HFILL }},
|
|
|
|
{ &hf_isup_original_redirection_reason,
|
|
{ "Original redirection reason", "isup.original_redirection_reason",
|
|
FT_UINT16, BASE_DEC, VALS(isup_original_redirection_reason_value), HGFE_16BIT_MASK,
|
|
"", HFILL }},
|
|
|
|
{ &hf_isup_redirection_counter,
|
|
{ "Redirection counter", "isup.redirection_counter",
|
|
FT_UINT16, BASE_DEC, NULL, KJI_16BIT_MASK,
|
|
"", HFILL }},
|
|
|
|
{ &hf_isup_redirection_reason,
|
|
{ "Redirection reason", "isup.redirection_reason",
|
|
FT_UINT16, BASE_DEC, VALS(isup_redirection_reason_value), PONM_16BIT_MASK,
|
|
"", HFILL }},
|
|
|
|
{ &hf_isup_type_of_network_identification,
|
|
{ "Type of network identification", "isup.type_of_network_identification",
|
|
FT_UINT8, BASE_DEC, VALS(isup_type_of_network_identification_value), GFE_8BIT_MASK,
|
|
"", HFILL }},
|
|
|
|
{ &hf_isup_network_identification_plan,
|
|
{ "Network identification plan", "isup.network_identification_plan",
|
|
FT_UINT8, BASE_DEC, VALS(isup_network_identification_plan_value), DCBA_8BIT_MASK,
|
|
"", HFILL }},
|
|
|
|
{ &hf_isup_map_type,
|
|
{ "Map Type", "isup.map_type",
|
|
FT_UINT8, BASE_DEC, VALS(isup_map_type_value), FEDCBA_8BIT_MASK,
|
|
"", HFILL }},
|
|
|
|
{ &hf_isup_automatic_congestion_level,
|
|
{ "Automatic congestion level", "isup.automatic_congestion_level",
|
|
FT_UINT8, BASE_DEC, VALS(isup_auto_congestion_level_value), 0x0,
|
|
"", HFILL }},
|
|
|
|
{ &hf_isup_inband_information_ind,
|
|
{ "In-band information indicator", "isup.inband_information_ind",
|
|
FT_BOOLEAN, 8, TFS(&isup_inband_information_ind_value), A_8BIT_MASK,
|
|
"", HFILL }},
|
|
|
|
{ &hf_isup_call_diversion_may_occur_ind,
|
|
{ "Call diversion may occur indicator", "isup.call_diversion_may_occur_ind",
|
|
FT_BOOLEAN, 8, TFS(&isup_call_diversion_may_occur_ind_value), B_8BIT_MASK,
|
|
"", HFILL }},
|
|
|
|
{ &hf_isup_mlpp_user_ind,
|
|
{ "MLPP user indicator", "isup.mlpp_user",
|
|
FT_BOOLEAN, 8, TFS(&isup_MLPP_user_ind_value), D_8BIT_MASK,
|
|
"", HFILL }},
|
|
|
|
{ &hf_isup_access_delivery_ind,
|
|
{ "Access delivery indicator", "isup.access_delivery_ind",
|
|
FT_BOOLEAN, 8, TFS(&isup_access_delivery_ind_value), A_8BIT_MASK,
|
|
"", HFILL }},
|
|
|
|
{ &hf_isup_transmission_medium_requirement_prime,
|
|
{ "Transmission medium requirement prime", "isup.transmission_medium_requirement_prime",
|
|
FT_UINT8, BASE_DEC, VALS(isup_transmission_medium_requirement_prime_value), 0x0,
|
|
"", HFILL }},
|
|
|
|
{ &hf_isup_loop_prevention_response_ind,
|
|
{ "Response indicator", "isup.loop_prevention_response_ind",
|
|
FT_UINT8, BASE_DEC, VALS(isup_loop_prevention_response_ind_value), CB_8BIT_MASK,
|
|
"", HFILL }},
|
|
|
|
{ &hf_isup_temporary_alternative_routing_ind,
|
|
{ "Temporary alternative routing indicator", "isup.temporary_alternative_routing_ind",
|
|
FT_BOOLEAN, 8, TFS(&isup_temporary_alternative_routing_ind_value), A_8BIT_MASK,
|
|
"", HFILL }},
|
|
|
|
{ &hf_isup_extension_ind,
|
|
{ "Extension indicator", "isup.extension_ind",
|
|
FT_BOOLEAN, 8, TFS(&isup_extension_ind_value), H_8BIT_MASK,
|
|
"", HFILL }},
|
|
|
|
{ &hf_isup_call_to_be_diverted_ind,
|
|
{ "Call to be diverted indicator", "isup.call_to_be_diverted_ind",
|
|
FT_UINT8, BASE_DEC, VALS(isup_call_to_be_diverted_ind_value), BA_8BIT_MASK,
|
|
"", HFILL }},
|
|
|
|
{ &hf_isup_call_to_be_offered_ind,
|
|
{ "Call to be offered indicator", "isup.call_to_be_offered_ind",
|
|
FT_UINT8, BASE_DEC, VALS(isup_call_to_be_offered_ind_value), BA_8BIT_MASK,
|
|
"", HFILL }},
|
|
|
|
{ &hf_isup_conference_acceptance_ind,
|
|
{ "Conference acceptance indicator", "isup.conference_acceptance_ind",
|
|
FT_UINT8, BASE_DEC, VALS(isup_conference_acceptance_ind_value), BA_8BIT_MASK,
|
|
"", HFILL }},
|
|
};
|
|
|
|
/* Setup protocol subtree array */
|
|
static gint *ett[] = {
|
|
&ett_isup,
|
|
&ett_isup_parameter,
|
|
&ett_isup_address_digits,
|
|
&ett_isup_pass_along_message,
|
|
&ett_isup_circuit_state_ind
|
|
};
|
|
|
|
/* Register the protocol name and description */
|
|
proto_isup = proto_register_protocol("ISDN User Part",
|
|
"ISUP", "isup");
|
|
|
|
/* Required function calls to register the header fields and subtrees used */
|
|
proto_register_field_array(proto_isup, hf, array_length(hf));
|
|
proto_register_subtree_array(ett, array_length(ett));
|
|
}
|
|
|
|
|
|
/* ------------------------------------------------------------------ */
|
|
/* Register isup with the sub-laying MTP L3 dissector */
|
|
void
|
|
proto_reg_handoff_isup(void)
|
|
{
|
|
dissector_add("mtp3.service_indicator", MTP3_ISUP_SERVICE_INDICATOR, dissect_isup, proto_isup);
|
|
}
|