Hi,

Thanks for reply but i guess this is because of my sip alg issue.

when my first uac register using src port 5062 and private ip 

but my sip alg change the private ip to public ip and and using the same src port 5062 so 

kamailio unable to detect the uac behind nat.

im currently having issue in force_rtp_proxy. here is the link

http://lists.sip-router.org/pipermail/sr-users/2011-July/069262.html

i unable to replace the old ip address in c and o to a new ip address.

please advice..

thanks..


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Regards,

MingHon