Index: channels/chan_sip.c
===================================================================
--- channels/chan_sip.c	(revision 423250)
+++ channels/chan_sip.c	(working copy)
@@ -25867,7 +25867,7 @@
 			break;
 		}
 	} else {
-		if (p && (p->autokillid == -1)) {
+		if (!req->ignore && p && (p->autokillid == -1)) {
 			const char *msg;
 
 			if ((ast_format_cap_is_empty(p->jointcaps)))