2 * Asterisk -- A telephony toolkit for Linux.
4 * Implementation of Inter-Asterisk eXchange
6 * Copyright (C) 2003, Digium
8 * Mark Spencer <markster@linux-support.net>
10 * $Id: packet-iax2.h,v 1.1 2004/01/27 01:35:25 guy Exp $
12 * This program is free software, distributed under the terms of
13 * the GNU General Public License
16 #ifndef _PACKET_IAX2_H
17 #define _PACKET_IAX2_H
19 /* Max version of IAX protocol we support */
20 #define IAX_PROTO_VERSION 2
22 #define IAX_MAX_CALLS 32768
24 #define IAX_FLAG_FULL 0x8000
26 #define IAX_FLAG_RETRANS 0x8000
28 #define IAX_FLAG_SC_LOG 0x80
30 #define IAX_MAX_SHIFT 0x1F
34 #define AST_FRAME_DTMF 1 /* A DTMF digit, subclass is the digit */
35 #define AST_FRAME_VOICE 2 /* Voice data, subclass is AST_FORMAT_* */
36 #define AST_FRAME_VIDEO 3 /* Video frame, maybe?? :) */
37 #define AST_FRAME_CONTROL 4 /* A control frame, subclass is AST_CONTROL_* */
38 #define AST_FRAME_NULL 5 /* An empty, useless frame */
39 #define AST_FRAME_IAX 6 /* Inter Aterisk Exchange private frame type */
40 #define AST_FRAME_TEXT 7 /* Text messages */
41 #define AST_FRAME_IMAGE 8 /* Image Frames */
42 #define AST_FRAME_HTML 9 /* HTML Frames */
44 /* Subclass for AST_FRAME_IAX */
45 #define IAX_COMMAND_NEW 1
46 #define IAX_COMMAND_PING 2
47 #define IAX_COMMAND_PONG 3
48 #define IAX_COMMAND_ACK 4
49 #define IAX_COMMAND_HANGUP 5
50 #define IAX_COMMAND_REJECT 6
51 #define IAX_COMMAND_ACCEPT 7
52 #define IAX_COMMAND_AUTHREQ 8
53 #define IAX_COMMAND_AUTHREP 9
54 #define IAX_COMMAND_INVAL 10
55 #define IAX_COMMAND_LAGRQ 11
56 #define IAX_COMMAND_LAGRP 12
57 #define IAX_COMMAND_REGREQ 13 /* Registration request */
58 #define IAX_COMMAND_REGAUTH 14 /* Registration authentication required */
59 #define IAX_COMMAND_REGACK 15 /* Registration accepted */
60 #define IAX_COMMAND_REGREJ 16 /* Registration rejected */
61 #define IAX_COMMAND_REGREL 17 /* Force release of registration */
62 #define IAX_COMMAND_VNAK 18 /* If we receive voice before valid first voice frame, send this */
63 #define IAX_COMMAND_DPREQ 19 /* Request status of a dialplan entry */
64 #define IAX_COMMAND_DPREP 20 /* Request status of a dialplan entry */
65 #define IAX_COMMAND_DIAL 21 /* Request a dial on channel brought up TBD */
66 #define IAX_COMMAND_TXREQ 22 /* Transfer Request */
67 #define IAX_COMMAND_TXCNT 23 /* Transfer Connect */
68 #define IAX_COMMAND_TXACC 24 /* Transfer Accepted */
69 #define IAX_COMMAND_TXREADY 25 /* Transfer ready */
70 #define IAX_COMMAND_TXREL 26 /* Transfer release */
71 #define IAX_COMMAND_TXREJ 27 /* Transfer reject */
72 #define IAX_COMMAND_QUELCH 28 /* Stop audio/video transmission */
73 #define IAX_COMMAND_UNQUELCH 29 /* Resume audio/video transmission */
74 #define IAX_COMMAND_POKE 30 /* Like ping, but does not require an open connection */
75 #define IAX_COMMAND_PAGE 31 /* Paging description */
76 #define IAX_COMMAND_MWI 32 /* Stand-alone message waiting indicator */
77 #define IAX_COMMAND_UNSUPPORT 33 /* Unsupported message received */
78 #define IAX_COMMAND_TRANSFER 34 /* Request remote transfer */
80 #define IAX_DEFAULT_REG_EXPIRE 60 /* By default require re-registration once per minute */
82 #define IAX_LINGER_TIMEOUT 10 /* How long to wait before closing bridged call */
84 #define IAX_DEFAULT_PORTNO 4569
86 /* IAX Information elements */
87 #define IAX_IE_CALLED_NUMBER 1 /* Number/extension being called - string */
88 #define IAX_IE_CALLING_NUMBER 2 /* Calling number - string */
89 #define IAX_IE_CALLING_ANI 3 /* Calling number ANI for billing - string */
90 #define IAX_IE_CALLING_NAME 4 /* Name of caller - string */
91 #define IAX_IE_CALLED_CONTEXT 5 /* Context for number - string */
92 #define IAX_IE_USERNAME 6 /* Username (peer or user) for authentication - string */
93 #define IAX_IE_PASSWORD 7 /* Password for authentication - string */
94 #define IAX_IE_CAPABILITY 8 /* Actual codec capability - unsigned int */
95 #define IAX_IE_FORMAT 9 /* Desired codec format - unsigned int */
96 #define IAX_IE_LANGUAGE 10 /* Desired language - string */
97 #define IAX_IE_VERSION 11 /* Protocol version - short */
98 #define IAX_IE_ADSICPE 12 /* CPE ADSI capability - short */
99 #define IAX_IE_DNID 13 /* Originally dialed DNID - string */
100 #define IAX_IE_AUTHMETHODS 14 /* Authentication method(s) - short */
101 #define IAX_IE_CHALLENGE 15 /* Challenge data for MD5/RSA - string */
102 #define IAX_IE_MD5_RESULT 16 /* MD5 challenge result - string */
103 #define IAX_IE_RSA_RESULT 17 /* RSA challenge result - string */
104 #define IAX_IE_APPARENT_ADDR 18 /* Apparent address of peer - struct sockaddr_in */
105 #define IAX_IE_REFRESH 19 /* When to refresh registration - short */
106 #define IAX_IE_DPSTATUS 20 /* Dialplan status - short */
107 #define IAX_IE_CALLNO 21 /* Call number of peer - short */
108 #define IAX_IE_CAUSE 22 /* Cause - string */
109 #define IAX_IE_IAX_UNKNOWN 23 /* Unknown IAX command - byte */
110 #define IAX_IE_MSGCOUNT 24 /* How many messages waiting - short */
111 #define IAX_IE_AUTOANSWER 25 /* Request auto-answering -- none */
112 #define IAX_IE_MUSICONHOLD 26 /* Request musiconhold with QUELCH -- none or string */
113 #define IAX_IE_TRANSFERID 27 /* Transfer Request Identifier -- int */
114 #define IAX_IE_RDNIS 28 /* Referring DNIS -- string */
116 #define IAX_AUTH_PLAINTEXT (1 << 0)
117 #define IAX_AUTH_MD5 (1 << 1)
118 #define IAX_AUTH_RSA (1 << 2)
120 #define IAX_META_TRUNK 1 /* Trunk meta-message */
121 #define IAX_META_VIDEO 2 /* Video frame */
123 #define IAX_DPSTATUS_EXISTS (1 << 0)
124 #define IAX_DPSTATUS_CANEXIST (1 << 1)
125 #define IAX_DPSTATUS_NONEXISTANT (1 << 2)
126 #define IAX_DPSTATUS_IGNOREPAT (1 << 14)
127 #define IAX_DPSTATUS_MATCHMORE (1 << 15)
129 #define AST_FORMAT_G723_1 (1 << 0) /* G.723.1 compression */
130 #define AST_FORMAT_GSM (1 << 1) /* GSM compression */
131 #define AST_FORMAT_ULAW (1 << 2) /* Raw mu-law data (G.711) */
132 #define AST_FORMAT_ALAW (1 << 3) /* Raw A-law data (G.711) */
133 #define AST_FORMAT_MP3 (1 << 4) /* MPEG-2 layer 3 */
134 #define AST_FORMAT_ADPCM (1 << 5) /* ADPCM (whose?) */
135 #define AST_FORMAT_SLINEAR (1 << 6) /* Raw 16-bit Signed Linear (8000 Hz) PCM */
136 #define AST_FORMAT_LPC10 (1 << 7) /* LPC10, 180 samples/frame */
137 #define AST_FORMAT_G729A (1 << 8) /* G.729a Audio */