--- chan_sip.c.br14.85280.orig	2007-10-11 08:26:10.000000000 +0200
+++ chan_sip.c.br14.85280	2007-10-11 08:39:08.000000000 +0200
@@ -2030,8 +2030,6 @@
 		siptimer_a = pkt->timer_t1 * 2;
 
 	/* Schedule retransmission */
-	if (pkt->retransid > -1)
-		ast_sched_del(sched, pkt->retransid);
 	pkt->retransid = ast_sched_add_variable(sched, siptimer_a, retrans_pkt, pkt, 1);
 	if (option_debug > 3 && sipdebug)
 		ast_log(LOG_DEBUG, "*** SIP TIMER: Initializing retransmit timer on packet: Id  #%d\n", pkt->retransid);