Only change the original or clone channel if it's the channel behind the proxy channel, not if it's just a regular bridged channel.

git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.2@56230 65c4cc65-6c06-0410-ace0-fbb531ad65f3

channel.c

@@ -2807,10 +2807,10 @@ int ast_channel_masquerade(struct ast_channel *original, struct ast_channel *clo
 
 	/* each of these channels may be sitting behind a channel proxy (i.e. chan_agent)
 	   and if so, we don't really want to masquerade it, but its proxy */
-	if (original->_bridge && (original->_bridge != ast_bridged_channel(original)))
+	if (original->_bridge && (original->_bridge != ast_bridged_channel(original)) && (original->_bridge->_bridge != original))
 		final_orig = original->_bridge;
 
-	if (clone->_bridge && (clone->_bridge != ast_bridged_channel(clone)))
+	if (clone->_bridge && (clone->_bridge != ast_bridged_channel(clone)) && (clone->_bridge->_bridge != clone))
 		final_clone = clone->_bridge;
 
 	if ((final_orig != original) || (final_clone != clone)) {

channels/chan_sip.c

@@ -10458,7 +10458,7 @@ static int attempt_transfer(struct sip_pvt *p1, struct sip_pvt *p2)
 	bridgea = ast_bridged_channel(chana);
 	bridgeb = ast_bridged_channel(chanb);
 	
-	if (bridgea && (bridgea == chana->_bridge)) {
+	if (bridgea) {
 		peera = chana;
 		peerb = chanb;
 		peerc = bridgea;