[OpenSIPS-Users] Topology Hiding and NAT

Kamlesh . kamlesh at worldphone.in
Sat Apr 11 12:51:04 EST 2020


Hello Team,

I have a problem with TOPOLOGY HIDING and NAT issues while using forwarding
on busy/no-answer. I fix the NATed contact and then create dialog with
topology hiding. The UPSTREAM (callee to caller) BYE relays to private IP
instead of public. All the previous requests relay after fixing the
contact. This only happens when a call is forwarded on BUSY/NO ANSWER Relay
the packets to opensips itself, We just change the request number and add
some required headers to detect the forwarded request. So the all dialog
related things are the same for both the request one is initial request and
forwarded request. Anyone can help me to short out this issue. I’m ready to
provide other information if any to solve the issue.


Regards,

Kamlesh

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