fix

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@8557 d0543943-73ff-0310-b7d9-9358b9ac24b2

src/mod/endpoints/mod_sofia/sofia_glue.c

@@ -768,6 +768,7 @@ switch_status_t sofia_glue_tech_proxy_remote_addr(private_object_t *tech_pvt)
 		tech_pvt->remote_sdp_video_port = (switch_port_t) atoi(rvp);
 	}
 	
+	if (tech_pvt->remote_sdp_video_ip && tech_pvt->remote_sdp_video_port) {
 		if (!strcmp(tech_pvt->remote_sdp_video_ip, rip) && atoi(rvp) == tech_pvt->remote_sdp_video_port) {
 			switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Remote video address:port [%s:%d] has not changed.\n", 
 							  tech_pvt->remote_sdp_audio_ip, tech_pvt->remote_sdp_audio_port);
@@ -786,8 +787,9 @@ switch_status_t sofia_glue_tech_proxy_remote_addr(private_object_t *tech_pvt)
 				}
 			}
 		}
+	}
 
-	if (!strcmp(tech_pvt->remote_sdp_audio_ip, rip) && atoi(rp) == tech_pvt->remote_sdp_audio_port) {
+	if (tech_pvt->remote_sdp_audio_ip && !strcmp(tech_pvt->remote_sdp_audio_ip, rip) && atoi(rp) == tech_pvt->remote_sdp_audio_port) {
 		switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "Remote address:port [%s:%d] has not changed.\n", 
 						  tech_pvt->remote_sdp_audio_ip, tech_pvt->remote_sdp_audio_port);
 		return SWITCH_STATUS_SUCCESS;