--- chan_sip.c.br14.83070	2007-09-20 14:40:01.000000000 +0200
+++ chan_sip.c.br14.83070.retrans	2007-09-20 14:45:37.000000000 +0200
@@ -9332,7 +9332,7 @@
 			if (peer->callingpres)	/* Peer calling pres setting will override RPID */
 				p->callingpres = peer->callingpres;
 			if (peer->maxms && peer->lastms)
-				p->timer_t1 = peer->lastms;
+				p->timer_t1 = peer->lastms < global_t1min ? global_t1min : peer->lastms;
 			if (ast_test_flag(&peer->flags[0], SIP_INSECURE_INVITE)) {
 				/* Pretend there is no required authentication */
 				ast_string_field_free(p, peersecret);