Index: channels/chan_local.c
===================================================================
--- channels/chan_local.c	(revision 236182)
+++ channels/chan_local.c	(working copy)
@@ -212,7 +212,9 @@
 	}
 
 	if (other) {
-		ast_queue_frame(other, f);
+		if (other->pbx || other->_bridge) {
+			ast_queue_frame(other, f);
+		} /* else the frame won't go anywhere */
 		ast_channel_unlock(other);
 	}