Fix a bug where audio on Google Voice would not work due to ignoring candidates.

Instead of ignoring parts of the message that are not known just ignore the ones
we know may be present and that would cause a problem.
........

Merged revisions 374877 from http://svn.asterisk.org/svn/asterisk/branches/11


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@374878 65c4cc65-6c06-0410-ace0-fbb531ad65f3

channels/chan_motif.c

@@ -2117,8 +2117,8 @@ static int jingle_interpret_content(struct jingle_session *session, ikspak *pak)
 		struct ast_rtp_instance *rtp = NULL;
 		iks *description, *transport;
 
-		if (strcmp(iks_name(content), "content") &&
-		    strcmp(iks_name(content), "jin:content")) {
+		/* Ignore specific parts if they are known not to be useful */
+		if (!strcmp(iks_name(content), "conference-info")) {
 			continue;
 		}