Python scripting interface to OsmoNITB/OsmoMSC MNCC interface
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mncc-python/mncc.h

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/* This file contains sections copied from
* libosmocore/include/osmocom/gsm/protocol/gsm_04_08.h,
* libosmocore/include/osmocom/gsm/mncc.h and
* openbsc/include/openbsc/mncc.h
*/
#include <stdint.h>
#include <netinet/in.h>
/* GSM 04.08 Bearer Capability: Information Transfer Capability */
enum gsm48_bcap_itcap {
GSM48_BCAP_ITCAP_SPEECH = 0,
GSM48_BCAP_ITCAP_UNR_DIG_INF = 1,
GSM48_BCAP_ITCAP_3k1_AUDIO = 2,
GSM48_BCAP_ITCAP_FAX_G3 = 3,
GSM48_BCAP_ITCAP_OTHER = 5,
GSM48_BCAP_ITCAP_RESERVED = 7,
};
/* GSM 04.08 Bearer Capability: Transfer Mode */
enum gsm48_bcap_tmod {
GSM48_BCAP_TMOD_CIRCUIT = 0,
GSM48_BCAP_TMOD_PACKET = 1,
};
/* GSM 04.08 Bearer Capability: Coding Standard */
enum gsm48_bcap_coding {
GSM48_BCAP_CODING_GSM_STD = 0,
};
/* GSM 04.08 Bearer Capability: Radio Channel Requirements */
enum gsm48_bcap_rrq {
GSM48_BCAP_RRQ_FR_ONLY = 1,
GSM48_BCAP_RRQ_DUAL_HR = 2,
GSM48_BCAP_RRQ_DUAL_FR = 3,
};
/* GSM 04.08 Bearer Capability: Rate Adaption */
enum gsm48_bcap_ra {
GSM48_BCAP_RA_NONE = 0,
GSM48_BCAP_RA_V110_X30 = 1,
GSM48_BCAP_RA_X31 = 2,
GSM48_BCAP_RA_OTHER = 3,
};
/* GSM 04.08 Bearer Capability: Signalling access protocol */
enum gsm48_bcap_sig_access {
GSM48_BCAP_SA_I440_I450 = 1,
GSM48_BCAP_SA_X21 = 2,
GSM48_BCAP_SA_X28_DP_IN = 3,
GSM48_BCAP_SA_X28_DP_UN = 4,
GSM48_BCAP_SA_X28_NDP = 5,
GSM48_BCAP_SA_X32 = 6,
};
/* GSM 04.08 Bearer Capability: User Rate */
enum gsm48_bcap_user_rate {
GSM48_BCAP_UR_300 = 1,
GSM48_BCAP_UR_1200 = 2,
GSM48_BCAP_UR_2400 = 3,
GSM48_BCAP_UR_4800 = 4,
GSM48_BCAP_UR_9600 = 5,
GSM48_BCAP_UR_12000 = 6,
GSM48_BCAP_UR_1200_75 = 7,
};
/* GSM 04.08 Bearer Capability: Parity */
enum gsm48_bcap_parity {
GSM48_BCAP_PAR_ODD = 0,
GSM48_BCAP_PAR_EVEN = 2,
GSM48_BCAP_PAR_NONE = 3,
GSM48_BCAP_PAR_ZERO = 4,
GSM48_BCAP_PAR_ONE = 5,
};
/* GSM 04.08 Bearer Capability: Intermediate Rate */
enum gsm48_bcap_interm_rate {
GSM48_BCAP_IR_8k = 2,
GSM48_BCAP_IR_16k = 3,
};
/* GSM 04.08 Bearer Capability: Transparency */
enum gsm48_bcap_transp {
GSM48_BCAP_TR_TRANSP = 0,
GSM48_BCAP_TR_RLP = 1,
GSM48_BCAP_TR_TR_PREF = 2,
GSM48_BCAP_TR_RLP_PREF = 3,
};
/* GSM 04.08 Bearer Capability: Modem Type */
enum gsm48_bcap_modem_type {
GSM48_BCAP_MT_NONE = 0,
GSM48_BCAP_MT_V21 = 1,
GSM48_BCAP_MT_V22 = 2,
GSM48_BCAP_MT_V22bis = 3,
GSM48_BCAP_MT_V23 = 4,
GSM48_BCAP_MT_V26ter = 5,
GSM48_BCAP_MT_V32 = 6,
GSM48_BCAP_MT_UNDEF = 7,
GSM48_BCAP_MT_AUTO_1 = 8,
};
/*! GSM 04.08 Bearer Capability: Speech Version Indication
* (See also 3GPP TS 24.008, Table 10.5.103) */
enum gsm48_bcap_speech_ver {
GSM48_BCAP_SV_FR = 0, /*!< GSM FR V1 (GSM FR) */
GSM48_BCAP_SV_HR = 1, /*!< GSM HR V1 (GSM HR) */
GSM48_BCAP_SV_EFR = 2, /*!< GSM FR V2 (GSM EFR) */
GSM48_BCAP_SV_AMR_F = 4, /*!< GSM FR V3 (FR AMR) */
GSM48_BCAP_SV_AMR_H = 5, /*!< GSM HR V3 (HR_AMR) */
GSM48_BCAP_SV_AMR_OFW = 6, /*!< GSM FR V4 (OFR AMR-WB) */
GSM48_BCAP_SV_AMR_OHW = 7, /*!< GSM HR V4 (OHR AMR-WB) */
GSM48_BCAP_SV_AMR_FW = 8, /*!< GSM FR V5 (FR AMR-WB) */
GSM48_BCAP_SV_AMR_OH = 11, /*!< GSM HR V6 (OHR AMR) */
};
#define GSM_MAX_FACILITY 128
#define GSM_MAX_SSVERSION 128
#define GSM_MAX_USERUSER 128
/* Expanded fields from GSM TS 04.08, Table 10.5.102 */
struct gsm_mncc_bearer_cap {
int transfer; /* Information Transfer Capability */
int mode; /* Transfer Mode */
int coding; /* Coding Standard */
int radio; /* Radio Channel Requirement */
int speech_ctm; /* CTM text telephony indication */
int speech_ver[8]; /* Speech version indication */
struct {
enum gsm48_bcap_ra rate_adaption;
enum gsm48_bcap_sig_access sig_access;
int async;
int nr_stop_bits;
int nr_data_bits;
enum gsm48_bcap_user_rate user_rate;
enum gsm48_bcap_parity parity;
enum gsm48_bcap_interm_rate interm_rate;
enum gsm48_bcap_transp transp;
enum gsm48_bcap_modem_type modem_type;
} data;
};
struct gsm_mncc_number {
int type;
int plan;
int present;
int screen;
char number[33];
};
struct gsm_mncc_cause {
int location;
int coding;
int rec;
int rec_val;
int value;
int diag_len;
char diag[32];
};
struct gsm_mncc_useruser {
int proto;
char info[GSM_MAX_USERUSER + 1]; /* + termination char */
};
struct gsm_mncc_progress {
int coding;
int location;
int descr;
};
struct gsm_mncc_facility {
int len;
char info[GSM_MAX_FACILITY];
};
struct gsm_mncc_ssversion {
int len;
char info[GSM_MAX_SSVERSION];
};
struct gsm_mncc_cccap {
int dtmf;
int pcp;
};
enum {
GSM_MNCC_BCAP_SPEECH = 0,
GSM_MNCC_BCAP_UNR_DIG = 1,
GSM_MNCC_BCAP_AUDIO = 2,
GSM_MNCC_BCAP_FAX_G3 = 3,
GSM_MNCC_BCAP_OTHER_ITC = 5,
GSM_MNCC_BCAP_RESERVED = 7,
};
#define MNCC_SETUP_REQ 0x0101
#define MNCC_SETUP_IND 0x0102
#define MNCC_SETUP_RSP 0x0103
#define MNCC_SETUP_CNF 0x0104
#define MNCC_SETUP_COMPL_REQ 0x0105
#define MNCC_SETUP_COMPL_IND 0x0106
/* MNCC_REJ_* is perfomed via MNCC_REL_* */
#define MNCC_CALL_CONF_IND 0x0107
#define MNCC_CALL_PROC_REQ 0x0108
#define MNCC_PROGRESS_REQ 0x0109
#define MNCC_ALERT_REQ 0x010a
#define MNCC_ALERT_IND 0x010b
#define MNCC_NOTIFY_REQ 0x010c
#define MNCC_NOTIFY_IND 0x010d
#define MNCC_DISC_REQ 0x010e
#define MNCC_DISC_IND 0x010f
#define MNCC_REL_REQ 0x0110
#define MNCC_REL_IND 0x0111
#define MNCC_REL_CNF 0x0112
#define MNCC_FACILITY_REQ 0x0113
#define MNCC_FACILITY_IND 0x0114
#define MNCC_START_DTMF_IND 0x0115
#define MNCC_START_DTMF_RSP 0x0116
#define MNCC_START_DTMF_REJ 0x0117
#define MNCC_STOP_DTMF_IND 0x0118
#define MNCC_STOP_DTMF_RSP 0x0119
#define MNCC_MODIFY_REQ 0x011a
#define MNCC_MODIFY_IND 0x011b
#define MNCC_MODIFY_RSP 0x011c
#define MNCC_MODIFY_CNF 0x011d
#define MNCC_MODIFY_REJ 0x011e
#define MNCC_HOLD_IND 0x011f
#define MNCC_HOLD_CNF 0x0120
#define MNCC_HOLD_REJ 0x0121
#define MNCC_RETRIEVE_IND 0x0122
#define MNCC_RETRIEVE_CNF 0x0123
#define MNCC_RETRIEVE_REJ 0x0124
#define MNCC_USERINFO_REQ 0x0125
#define MNCC_USERINFO_IND 0x0126
#define MNCC_REJ_REQ 0x0127
#define MNCC_REJ_IND 0x0128
#define MNCC_BRIDGE 0x0200
#define MNCC_FRAME_RECV 0x0201
#define MNCC_FRAME_DROP 0x0202
#define MNCC_LCHAN_MODIFY 0x0203
#define MNCC_RTP_CREATE 0x0204
#define MNCC_RTP_CONNECT 0x0205
#define MNCC_RTP_FREE 0x0206
#define GSM_TCHF_FRAME 0x0300
#define GSM_TCHF_FRAME_EFR 0x0301
#define GSM_TCHH_FRAME 0x0302
#define GSM_TCH_FRAME_AMR 0x0303
#define GSM_BAD_FRAME 0x03ff
#define MNCC_SOCKET_HELLO 0x0400
#define GSM_MAX_FACILITY 128
#define GSM_MAX_SSVERSION 128
#define GSM_MAX_USERUSER 128
#define MNCC_F_BEARER_CAP 0x0001
#define MNCC_F_CALLED 0x0002
#define MNCC_F_CALLING 0x0004
#define MNCC_F_REDIRECTING 0x0008
#define MNCC_F_CONNECTED 0x0010
#define MNCC_F_CAUSE 0x0020
#define MNCC_F_USERUSER 0x0040
#define MNCC_F_PROGRESS 0x0080
#define MNCC_F_EMERGENCY 0x0100
#define MNCC_F_FACILITY 0x0200
#define MNCC_F_SSVERSION 0x0400
#define MNCC_F_CCCAP 0x0800
#define MNCC_F_KEYPAD 0x1000
#define MNCC_F_SIGNAL 0x2000
struct gsm_mncc {
/* context based information */
uint32_t msg_type;
uint32_t callref;
/* which fields are present */
uint32_t fields;
/* data derived informations (MNCC_F_ based) */
struct gsm_mncc_bearer_cap bearer_cap;
struct gsm_mncc_number called;
struct gsm_mncc_number calling;
struct gsm_mncc_number redirecting;
struct gsm_mncc_number connected;
struct gsm_mncc_cause cause;
struct gsm_mncc_progress progress;
struct gsm_mncc_useruser useruser;
struct gsm_mncc_facility facility;
struct gsm_mncc_cccap cccap;
struct gsm_mncc_ssversion ssversion;
struct {
int sup;
int inv;
} clir;
int signal;
/* data derived information, not MNCC_F based */
int keypad;
int more;
int notify; /* 0..127 */
int emergency;
char imsi[16];
unsigned char lchan_type;
unsigned char lchan_mode;
char sdp[1024];
};
struct gsm_data_frame {
uint32_t msg_type;
uint32_t callref;
unsigned char data[0];
};
#define MNCC_SOCK_VERSION 7
struct gsm_mncc_hello {
uint32_t msg_type;
uint32_t version;
/* send the sizes of the structs */
uint32_t mncc_size;
uint32_t data_frame_size;
/* send some offsets */
uint32_t called_offset;
uint32_t signal_offset;
uint32_t emergency_offset;
uint32_t lchan_type_offset;
};
struct gsm_mncc_rtp {
uint32_t msg_type;
uint32_t callref;
struct sockaddr_storage addr;
uint32_t payload_type;
uint32_t payload_msg_type;
char sdp[1024];
};
struct gsm_mncc_bridge {
uint32_t msg_type;
uint32_t callref[2];
};