From b9ae36c893be71d08354eda4a1e9c57ecd1e9747 Mon Sep 17 00:00:00 2001 From: Matteo Brancaleoni Date: Sun, 2 Mar 2003 19:52:23 +0000 Subject: dom mar 2 20:52:10 CET 2003 git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@629 65c4cc65-6c06-0410-ace0-fbb531ad65f3 --- channels/iax2.h | 126 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 126 insertions(+) create mode 100755 channels/iax2.h (limited to 'channels/iax2.h') diff --git a/channels/iax2.h b/channels/iax2.h new file mode 100755 index 000000000..c3727ac81 --- /dev/null +++ b/channels/iax2.h @@ -0,0 +1,126 @@ +/* + * Asterisk -- A telephony toolkit for Linux. + * + * Implementation of Inter-Asterisk eXchange + * + * Copyright (C) 2003, Digium + * + * Mark Spencer + * + * This program is free software, distributed under the terms of + * the GNU General Public License + */ + +#ifndef _ASTERISK_IAX2_H +#define _ASTERISK_IAX2_H + +/* Max version of IAX protocol we support */ +#define AST_IAX2_PROTO_VERSION 2 + +#define AST_IAX2_MAX_CALLS 32768 + +#define AST_FLAG_FULL 0x8000 + +#define AST_FLAG_RETRANS 0x8000 + +#define AST_FLAG_SC_LOG 0x80 + +#define AST_MAX_SHIFT 0x1F + +#define AST_IAX2_WINDOW 256 + +/* Subclass for AST_FRAME_IAX */ +#define AST_IAX2_COMMAND_NEW 1 +#define AST_IAX2_COMMAND_PING 2 +#define AST_IAX2_COMMAND_PONG 3 +#define AST_IAX2_COMMAND_ACK 4 +#define AST_IAX2_COMMAND_HANGUP 5 +#define AST_IAX2_COMMAND_REJECT 6 +#define AST_IAX2_COMMAND_ACCEPT 7 +#define AST_IAX2_COMMAND_AUTHREQ 8 +#define AST_IAX2_COMMAND_AUTHREP 9 +#define AST_IAX2_COMMAND_INVAL 10 +#define AST_IAX2_COMMAND_LAGRQ 11 +#define AST_IAX2_COMMAND_LAGRP 12 +#define AST_IAX2_COMMAND_REGREQ 13 /* Registration request */ +#define AST_IAX2_COMMAND_REGAUTH 14 /* Registration authentication required */ +#define AST_IAX2_COMMAND_REGACK 15 /* Registration accepted */ +#define AST_IAX2_COMMAND_REGREJ 16 /* Registration rejected */ +#define AST_IAX2_COMMAND_REGREL 17 /* Force release of registration */ +#define AST_IAX2_COMMAND_VNAK 18 /* If we receive voice before valid first voice frame, send this */ +#define AST_IAX2_COMMAND_DPREQ 19 /* Request status of a dialplan entry */ +#define AST_IAX2_COMMAND_DPREP 20 /* Request status of a dialplan entry */ +#define AST_IAX2_COMMAND_DIAL 21 /* Request a dial on channel brought up TBD */ +#define AST_IAX2_COMMAND_TXREQ 22 /* Transfer Request */ +#define AST_IAX2_COMMAND_TXCNT 23 /* Transfer Connect */ +#define AST_IAX2_COMMAND_TXACC 24 /* Transfer Accepted */ +#define AST_IAX2_COMMAND_TXREADY 25 /* Transfer ready */ +#define AST_IAX2_COMMAND_TXREL 26 /* Transfer release */ +#define AST_IAX2_COMMAND_TXREJ 27 /* Transfer reject */ +#define AST_IAX2_COMMAND_QUELCH 28 /* Stop audio/video transmission */ +#define AST_IAX2_COMMAND_UNQUELCH 29 /* Resume audio/video transmission */ +#define AST_IAX2_COMMAND_POKE 30 /* Like ping, but does not require an open connection */ +#define AST_IAX2_COMMAND_PAGE 31 /* Paging description */ +#define AST_IAX2_COMMAND_MWI 32 /* Stand-alone message waiting indicator */ +#define AST_IAX2_COMMAND_UNSUPPORT 33 /* Unsupported message received */ + +#define AST_DEFAULT_REG_EXPIRE 60 /* By default require re-registration once per minute */ + +#define AST_DEFAULT_IAX_PORTNO 4569 + +/* IAX Information elements */ +#define IAX_IE_CALLED_NUMBER 1 /* Number/extension being called - string */ +#define IAX_IE_CALLING_NUMBER 2 /* Calling number - string */ +#define IAX_IE_CALLING_ANI 3 /* Calling number ANI for billing - string */ +#define IAX_IE_CALLING_NAME 4 /* Name of caller - string */ +#define IAX_IE_CALLED_CONTEXT 5 /* Context for number - string */ +#define IAX_IE_USERNAME 6 /* Username (peer or user) for authentication - string */ +#define IAX_IE_PASSWORD 7 /* Password for authentication - string */ +#define IAX_IE_CAPABILITY 8 /* Actual codec capability - unsigned int */ +#define IAX_IE_FORMAT 9 /* Desired codec format - unsigned int */ +#define IAX_IE_LANGUAGE 10 /* Desired language - string */ +#define IAX_IE_VERSION 11 /* Protocol version - short */ +#define IAX_IE_ADSICPE 12 /* CPE ADSI capability - int */ +#define IAX_IE_DNID 13 /* Originally dialed DNID - string */ +#define IAX_IE_AUTHMETHODS 14 /* Authentication method(s) - short */ +#define IAX_IE_CHALLENGE 15 /* Challenge data for MD5/RSA - string */ +#define IAX_IE_MD5_RESULT 16 /* MD5 challenge result - string */ +#define IAX_IE_RSA_RESULT 17 /* RSA challenge result - string */ +#define IAX_IE_APPARENT_ADDR 18 /* Apparent address of peer - struct sockaddr_in */ +#define IAX_IE_REFRESH 19 /* When to refresh registration - short */ +#define IAX_IE_DPSTATUS 20 /* Dialplan status - short */ +#define IAX_IE_CALLNO 21 /* Call number of peer - short */ +#define IAX_IE_CAUSE 22 /* Cause - string */ + +#define IAX_AUTH_PLAINTEXT (1 << 0) +#define IAX_AUTH_MD5 (1 << 1) +#define IAX_AUTH_RSA (1 << 2) + +#define IAX_DPSTATUS_EXISTS (1 << 0) +#define IAX_DPSTATUS_CANEXIST (1 << 1) +#define IAX_DPSTATUS_NONEXISTANT (1 << 2) +#define IAX_DPSTATUS_IGNOREPAT (1 << 14) +#define IAX_DPSTATUS_MATCHMORE (1 << 15) + +/* Full frames are always delivered reliably */ +struct ast_iax2_full_hdr { + unsigned short scallno; /* Source call number -- high bit must be 1 */ + unsigned short dcallno; /* Destination call number -- high bit is 1 if retransmission */ + unsigned int ts; /* 32-bit timestamp in milliseconds (from 1st transmission) */ + unsigned short oseqno; /* Packet number (outgoing) */ + unsigned short iseqno; /* Packet number (next incoming expected) */ + char type; /* Frame type */ + unsigned char csub; /* Compressed subclass */ + unsigned char iedata[0]; +}; + +/* Mini header is used only for voice frames -- delivered unreliably */ +struct ast_iax2_mini_hdr { + short callno; /* Source call number -- high bit must be 0 */ + unsigned short ts; /* 16-bit Timestamp (high 16 bits from last ast_iax2_full_hdr) */ + /* Frametype implicitly VOICE_FRAME */ + /* subclass implicit from last ast_iax2_full_hdr */ + unsigned char iedata[0]; +}; + +#endif -- cgit v1.2.3