--- channels/chan_misdn.c.old	2009-11-25 13:05:33.000000000 +0100
+++ channels/chan_misdn.c	2009-11-25 12:59:09.000000000 +0100
@@ -3892,6 +3892,7 @@
 
 	if (!ch->need_queue_hangup) {
 		cb_log(2, port, " --> No need to queue hangup\n");
+		return;
 	}
 
 	ch->need_queue_hangup = 0;