if (lookup_rtpip == use_ip) {
/* sofia_glue_ext_address_lookup didn't return any error, but the return IP is the same as the original one,
which means no lookup was necessary. Check if NAT is detected */
- if (sofia_glue_check_nat(tech_pvt->profile, tech_pvt->remote_ip)) {
+ if (!zstr(tech_pvt->remote_ip) && sofia_glue_check_nat(tech_pvt->profile, tech_pvt->remote_ip)) {
/* Yes, map the port through switch_nat */
switch_nat_add_mapping(tech_pvt->local_sdp_audio_port, SWITCH_NAT_UDP, &sdp_port, SWITCH_FALSE);
} else {
int sofia_glue_check_nat(sofia_profile_t *profile, const char *network_ip)
{
+ switch_assert(network_ip);
+
return (profile->extsipip && !switch_check_network_list_ip(network_ip, profile->local_network));
}