Clean up documentation

This patch cleans up documentation in func_channel for the following items:
* rtpsource
* secure_signaling
* secure_media

(closes issue ASTERISK-20969)
Reported by: snuffy
patches:
  func_chan-update.diff uploaded by snuffy (License 5024)


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.8@394980 65c4cc65-6c06-0410-ace0-fbb531ad65f3

funcs/func_channel.c

@@ -20,7 +20,7 @@
  *
  * \author Kevin P. Fleming <kpfleming@digium.com>
  * \author Ben Winslow
- * 
+ *
  * \ingroup functions
  */
 
@@ -221,16 +221,35 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
 						<para>     <literal>audio</literal>             Get audio destination</para>
 						<para>     <literal>video</literal>             Get video destination</para>
 						<para>     <literal>text</literal>              Get text destination</para>
+						<para>   Defaults to <literal>audio</literal> if unspecified.</para>
+					</enum>
+					<enum name="rtpsource">
+						<para>R/O Get source RTP destination information.</para>
+						<para>   This option takes one additional argument:</para>
+						<para>    Argument 1:</para>
+						<para>     <literal>audio</literal>             Get audio destination</para>
+						<para>     <literal>video</literal>             Get video destination</para>
+						<para>     <literal>text</literal>              Get text destination</para>
+						<para>   Defaults to <literal>audio</literal> if unspecified.</para>
 					</enum>
 				</enumlist>
 				<para><emphasis>chan_iax2</emphasis> provides the following additional options:</para>
 				<enumlist>
+					<enum name="osptoken">
+						<para>R/O Get the peer's osptoken.</para>
+					</enum>
 					<enum name="peerip">
 						<para>R/O Get the peer's ip address.</para>
 					</enum>
 					<enum name="peername">
 						<para>R/O Get the peer's username.</para>
 					</enum>
+					<enum name="secure_signaling">
+						<para>R/O Get the if the IAX channel is secured.</para>
+					</enum>
+					<enum name="secure_media">
+						<para>R/O Get the if the IAX channel is secured.</para>
+					</enum>
 				</enumlist>
 				<para><emphasis>chan_dahdi</emphasis> provides the following additional options:</para>
 				<enumlist>
@@ -467,7 +486,7 @@ static int func_channel_write_real(struct ast_channel *chan, const char *functio
 #ifdef CHANNEL_TRACE
 	else if (!strcasecmp(data, "trace")) {
 		ast_channel_lock(chan);
-		if (ast_true(value)) 
+		if (ast_true(value))
 			ret = ast_channel_trace_enable(chan);
 		else if (ast_false(value))
 			ret = ast_channel_trace_disable(chan);
@@ -482,7 +501,7 @@ static int func_channel_write_real(struct ast_channel *chan, const char *functio
 		struct ast_tone_zone *new_zone;
 		if (!(new_zone = ast_get_indication_zone(value))) {
 			ast_log(LOG_ERROR, "Unknown country code '%s' for tonezone. Check indications.conf for available country codes.\n", value);
-			ret = -1;	
+			ret = -1;
 		} else {
 			ast_channel_lock(chan);
 			if (chan->zone) {