--- /usr/asterisk-11.18.0/channels/chan_sip.c	2015-06-03 20:44:42.000000000 -0400
+++ /usr/src/asterisk-11.18.0/channels/chan_sip.c	2015-06-15 08:15:11.632370226 -0400
@@ -10510,7 +10510,9 @@
 	/* Setup audio address and port */
 	if (p->rtp) {
 		if (sa && portno > 0) {
-			start_ice(p->rtp, (req->method != SIP_RESPONSE) ? 0 : 1);
+			if(req->method == SIP_RESPONSE){
+				start_ice(p->rtp,(req->method != SIP_RESPONSE) ? 0 : 1);
+			}
 			ast_sockaddr_set_port(sa, portno);
 			ast_rtp_instance_set_remote_address(p->rtp, sa);
 			if (debug) {
@@ -13256,6 +13258,7 @@
 		if (!doing_directmedia) {
 			if (ast_test_flag(&p->flags[2], SIP_PAGE3_ICE_SUPPORT)) {
 				add_ice_to_sdp(p->rtp, &a_audio);
+				start_ice(p->rtp, 0);	
 			}
 
 			add_dtls_to_sdp(p->rtp, &a_audio);