@@ -308,7 +308,7 @@ error:

 void e2e_cancel( struct sip_msg *cancel_msg, 

 	struct cell *t_cancel, struct cell *t_invite )

 {

-	branch_bm_t cancel_bm;

+	branch_bm_t cancel_bm, tmp_bm;

 	int i;

 	int lowest_error;

 	str backup_uri;

@@ -335,10 +335,26 @@ void e2e_cancel( struct sip_msg *cancel_msg,

 	/* send them out */

 	for (i=0; i<t_cancel->nr_of_outgoings; i++) {

 		if (cancel_bm & (1<<i)) {

+			/* Provisional reply received on this branch, send CANCEL */

+			/* No need to stop timers as they have already been stopped by the reply */

 			if (SEND_BUFFER( &t_cancel->uac[i].request)==-1) {

 				LOG(L_ERR, "ERROR: e2e_cancel: send failed\n");

 			}

 			start_retr( &t_cancel->uac[i].request );

+		} else {

+			if (t_invite->uac[i].last_received < 100) {

+				     /* No provisional response received, stop

+				      * retransmission timers

+				      */

+				reset_timer(&t_invite->uac[i].request.retr_timer);

+				reset_timer(&t_invite->uac[i].request.fr_timer);

+

+				/* Generate faked reply */

+				LOCK_REPLIES(t_invite);

+				if (relay_reply(t_invite, FAKED_REPLY, i, 487, &tmp_bm) == RPS_ERROR) {

+					lowest_error = -1;

+				}

+			}

 		}

 	}