Hi,
Thanks for the suggestion. i tried running rtpproxy on private.
rtpproxy -l public_ip -s udp:192.168.2.3:7722 -u user
and in kamailio cfg.
modparam("rtpproxy", "rtpproxy_sock",
"udp:192.168.2.3:7722")
but still the same issue..
thanks.
--
Regards,
MingHon