69 lines
1.9 KiB
C
Executable File
69 lines
1.9 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_REGRQ 13
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#define AST_IAX_COMMAND_REGRP 14
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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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