--- chan_sip.c.br14.121495.original	2008-06-16 11:35:09.000000000 +0200
+++ chan_sip.c.br14.121495	2008-06-16 11:35:41.000000000 +0200
@@ -2105,7 +2105,7 @@
 	if (p->owner) {
 		ast_log(LOG_WARNING, "Autodestruct on dialog '%s' with owner in place (Method: %s)\n", p->callid, sip_methods[p->method].text);
 		ast_queue_hangup(p->owner);
-	} else if (p->refer) {
+	} else if (p->refer && !ast_test_flag(&p->flags[0], SIP_ALREADYGONE)) {
 		if (option_debug > 2)
 			ast_log(LOG_DEBUG, "Finally hanging up channel after transfer: %s\n", p->callid);
 		transmit_request_with_auth(p, SIP_BYE, 0, XMIT_RELIABLE, 1);