From a7a3050de9b98aea0516e570c93f19da5f00fa61 Mon Sep 17 00:00:00 2001
From: "Michael L. Young" <elgueromexicano@gmail.com>
Date: Fri, 1 Jun 2012 03:30:01 +0000
Subject: [PATCH] Add documentation to function CHANNEL for options
 echocan_mode and buffers

The ability to set "echocan_mode" and "buffers" through the dialplan was added
to chan_dahdi some time ago.  This patch adds some documentation to
func_channel.

(Closes issue ASTERISK-19911)
Reported by: Dale Noll
Tested by: Michael L. Young
Patches:
  asterisk-19911-branch18.diff uploaded by Michael L. Young (license 5026)

Review: https://reviewboard.asterisk.org/r/1949/
........

Merged revisions 368092 from http://svn.asterisk.org/svn/asterisk/branches/1.8
........

Merged revisions 368093 from http://svn.asterisk.org/svn/asterisk/branches/10


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@368094 65c4cc65-6c06-0410-ace0-fbb531ad65f3
---
 funcs/func_channel.c | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/funcs/func_channel.c b/funcs/func_channel.c
index 37b34d738a..14ece0cfd5 100644
--- a/funcs/func_channel.c
+++ b/funcs/func_channel.c
@@ -253,6 +253,26 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
 						<para>R/O PRI Nonzero if the channel has no B channel.
 						The channel is either on hold or a call waiting call.</para>
 					</enum>
+					<enum name="buffers">
+						<para>W/O Change the channel's buffer policy (for the current call only)</para>
+						<para>This option takes two arguments:</para>
+						<para>	Number of buffers,</para>
+						<para>	Buffer policy being one of:</para>
+						<para>	    <literal>full</literal></para>
+						<para>	    <literal>immediate</literal></para>
+						<para>	    <literal>half</literal></para>
+					</enum>
+					<enum name="echocan_mode">
+						<para>W/O Change the configuration of the active echo
+						canceller on the channel (if any), for the current call
+						only.</para>
+						<para>Possible values are:</para>
+						<para>	<literal>on</literal>	Normal mode (the echo canceller is actually reinitalized)</para>
+						<para>	<literal>off</literal>	Disabled</para>
+						<para>	<literal>fax</literal>	FAX/data mode (NLP disabled if possible, otherwise
+							completely disabled)</para>
+						<para>	<literal>voice</literal>	Voice mode (returns from FAX mode, reverting the changes that were made)</para>
+					</enum>
 				</enumlist>
 				<para><emphasis>chan_ooh323</emphasis> provides the following additional options:</para>
 				<enumlist>
-- 
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