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Adding some doxygen for udptl.c

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@51905 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Olle Johansson
2007-01-24 08:56:22 +00:00
parent c543862805
commit ec67ab7602
1 changed files with 35 additions and 3 deletions
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38
main/udptl.c
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@@ -8,13 +8,44 @@
* *
* Steve Underwood <steveu@coppice.org> * Steve Underwood <steveu@coppice.org>
* *
* See http://www.asterisk.org for more information about
* the Asterisk project. Please do not directly contact
* any of the maintainers of this project for assistance;
* the project provides a web site, mailing lists and IRC
* channels for your use.
*
* This program is free software, distributed under the terms of * This program is free software, distributed under the terms of
* the GNU General Public License * the GNU General Public License Version 2. See the LICENSE file
* at the top of the source tree.
* *
* A license has been granted to Digium (via disclaimer) for the use of * A license has been granted to Digium (via disclaimer) for the use of
* this code. * this code.
*/ */
/*!
* \file
*
* \brief UDPTL support for T.38 faxing
*
*
* \author Mark Spencer <markster@digium.com>, Steve Underwood <steveu@coppice.org>
*
* \page T38fax_udptl T38 fax passhtrough :: UDPTL
*
* Asterisk supports T.38 fax passthrough. Asterisk will not be a client, server
* or any form of gateway. Currently fax passthrough is only implemented in the
* SIP channel for strict SIP to SIP calls. If you are using chan_local or chan_agent
* as a proxy channel, T.38 passthrough will not work.
*
* UDPTL is handled very much like RTP. It can be reinvited to go directly between
* the endpoints, without involving Asterisk in the media stream.
*
* \b References:
* - chan_sip.c
* - udptl.c
*/
#include "asterisk.h" #include "asterisk.h"
ASTERISK_FILE_VERSION(__FILE__, "$Revision$") ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
@@ -57,8 +88,8 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
static int udptlstart; static int udptlstart;
static int udptlend; static int udptlend;
static int udptldebug; /* Are we debugging? */ static int udptldebug; /*!< Are we debugging? */
static struct sockaddr_in udptldebugaddr; /* Debug packets to/from this host */ static struct sockaddr_in udptldebugaddr; /*!< Debug packets to/from this host */
#ifdef SO_NO_CHECK #ifdef SO_NO_CHECK
static int nochecksums; static int nochecksums;
#endif #endif
@@ -87,6 +118,7 @@ typedef struct {
int fec_entries; int fec_entries;
} udptl_fec_rx_buffer_t; } udptl_fec_rx_buffer_t;
/*! \brief Structure for an UDPTL session */
struct ast_udptl { struct ast_udptl {
int fd; int fd;
char resp; char resp;