Index: channels/chan_sip.c
===================================================================
--- channels/chan_sip.c	(revision 310284)
+++ channels/chan_sip.c	(working copy)
@@ -19251,14 +19251,12 @@
 
 			/* Trigger a reinvite back to audio */
 			transmit_reinvite_with_sdp(p, FALSE, FALSE);
-		} else {
+		} else if (!reinvite) {
 			/* We can't set up this call, so give up */
 			if (p->owner && !req->ignore)
 				ast_queue_control(p->owner, AST_CONTROL_CONGESTION);
 			pvt_set_needdestroy(p, "received 488 response");
-			/* If there's no dialog to end, then mark p as already gone */
-			if (!reinvite)
-				sip_alreadygone(p);
+			sip_alreadygone(p);
 		}
 		break;
 	case 491: /* Pending */