Index: channels/chan_sip.c
===================================================================
--- channels/chan_sip.c	(revision 149638)
+++ channels/chan_sip.c	(working copy)
@@ -20025,6 +20026,7 @@
 		/* Build temporary dialog for this message */
 		if (!(p = sip_alloc(NULL, NULL, 0, SIP_NOTIFY))) 
 			return -1;
+		p->socket.type = 0;
 		if (create_addr_from_peer(p, peer)) {
 			/* Maybe they're not registered, etc. */
 			dialog_unlink_all(p, TRUE, TRUE);