[Serusers] Creating a test scenario to test NATing..

[Piyush.Bansal at relianceada.com]

hi all,
I wanna simulate a test scenario in which the sip clients are behind NAT 
(whether same or different NAT, in some private network), and the SER and 
MediaProxy are running on some public IP.
My question is, in this case the client is not able to communicate with 
the server through the Firewall / NAT. My SIP messages are being dropped 
at the Firewall itself. 
Can anybody tell me, what could be the reason behind that?????
I'm totally stuck at this point..... plz revert asap...
thanx in advance.. 




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