Index: channels/chan_sip.c
===================================================================
--- channels/chan_sip.c	(revision 40871)
+++ channels/chan_sip.c	(working copy)
@@ -6118,6 +6118,7 @@
 	/* Use this as the basis */
 	initialize_initreq(p, &req);
 	p->lastinvite = p->ocseq;
+	ast_set_flag(&p->flags[0], SIP_OUTGOING);
 	return send_request(p, &req, 1, p->ocseq);
 }