85 lines
3.0 KiB
C
Executable File
85 lines
3.0 KiB
C
Executable File
/*
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* Asterisk -- A telephony toolkit for Linux.
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*
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* Implementation of Inter-Asterisk eXchange
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*
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* Copyright (C) 1999, Mark Spencer
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*
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* Mark Spencer <markster@linux-support.net>
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*
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* This program is free software, distributed under the terms of
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* the GNU General Public License
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*/
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#ifndef _ASTERISK_IAX_H
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#define _ASTERISK_IAX_H
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/* Max version of IAX protocol we support */
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#define AST_IAX_PROTO_VERSION 1
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#define AST_IAX_MAX_CALLS 32768
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#define AST_FLAG_FULL 0x8000
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#define AST_FLAG_SC_LOG 0x80
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#define AST_MAX_SHIFT 0x1F
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/* Subclass for AST_FRAME_IAX */
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#define AST_IAX_COMMAND_NEW 1
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#define AST_IAX_COMMAND_PING 2
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#define AST_IAX_COMMAND_PONG 3
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#define AST_IAX_COMMAND_ACK 4
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#define AST_IAX_COMMAND_HANGUP 5
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#define AST_IAX_COMMAND_REJECT 6
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#define AST_IAX_COMMAND_ACCEPT 7
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#define AST_IAX_COMMAND_AUTHREQ 8
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#define AST_IAX_COMMAND_AUTHREP 9
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#define AST_IAX_COMMAND_INVAL 10
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#define AST_IAX_COMMAND_LAGRQ 11
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#define AST_IAX_COMMAND_LAGRP 12
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#define AST_IAX_COMMAND_REGREQ 13 /* Registration request */
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#define AST_IAX_COMMAND_REGAUTH 14 /* Registration authentication required */
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#define AST_IAX_COMMAND_REGACK 15 /* Registration accepted */
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#define AST_IAX_COMMAND_REGREJ 16 /* Registration rejected */
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#define AST_IAX_COMMAND_REGREL 17 /* Force release of registration */
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#define AST_IAX_COMMAND_VNAK 18 /* If we receive voice before valid first voice frame, send this */
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#define AST_IAX_COMMAND_DPREQ 19 /* Request status of a dialplan entry */
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#define AST_IAX_COMMAND_DPREP 20 /* Request status of a dialplan entry */
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#define AST_IAX_COMMAND_DIAL 21 /* Request a dial on channel brought up TBD */
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#define AST_IAX_COMMAND_TXREQ 22 /* Transfer Request */
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#define AST_IAX_COMMAND_TXCNT 23 /* Transfer Connect */
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#define AST_IAX_COMMAND_TXACC 24 /* Transfer Accepted */
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#define AST_IAX_COMMAND_TXREADY 25 /* Transfer ready */
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#define AST_IAX_COMMAND_TXREL 26 /* Transfer release */
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#define AST_IAX_COMMAND_TXREJ 27 /* Transfer reject */
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#define AST_IAX_COMMAND_QUELCH 28 /* Stop audio/video transmission */
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#define AST_IAX_COMMAND_UNQUELCH 29 /* Resume audio/video transmission */
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#define AST_IAX_COMMAND_POKE 30 /* Like ping, but does not require an open connection */
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#define AST_DEFAULT_REG_EXPIRE 60 /* By default require re-registration once per minute */
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#define AST_DEFAULT_IAX_PORTNO 5036
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/* Full frames are always delivered reliably */
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struct ast_iax_full_hdr {
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short callno; /* Source call number -- high bit must be 1 */
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short dcallno; /* Destination call number */
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unsigned int ts; /* 32-bit timestamp in milliseconds */
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unsigned short seqno; /* Packet number */
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char type; /* Frame type */
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unsigned char csub; /* Compressed subclass */
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char data[0];
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};
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/* Mini header is used only for voice frames -- delivered unreliably */
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struct ast_iax_mini_hdr {
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short callno; /* Source call number -- high bit must be 0 */
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unsigned short ts; /* 16-bit Timestamp (high 16 bits from last ast_iax_full_hdr) */
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/* Frametype implicitly VOICE_FRAME */
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/* subclass implicit from last ast_iax_full_hdr */
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char data[0];
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};
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#endif
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