Index: channels/chan_sip.c
===================================================================
RCS file: /usr/cvsroot/asterisk/channels/chan_sip.c,v
retrieving revision 1.894
diff -u -r1.894 chan_sip.c
--- channels/chan_sip.c	17 Oct 2005 22:26:33 -0000	1.894
+++ channels/chan_sip.c	19 Oct 2005 18:37:46 -0000
@@ -9390,6 +9390,11 @@
 			ast_log(LOG_DEBUG, "SIP response %d to standard invite\n", resp);
 	}
 
+	if (ast_test_flag(p, SIP_ALREADYGONE)) { /* This call is already gone */
+		ast_log(LOG_DEBUG, "Got response on call that is already terminated: %s (ignoring)\n", p->callid);
+		return;
+	}
+
 	switch (resp) {
 	case 100:	/* Trying */
 		sip_cancel_destroy(p);