[OpenSIPS-Users] Topology Hiding and NAT

[Bogdan-Andrei Iancu]

Hi Kamlesh,

I would suspect you do something wrong in the failure_route, when 
handling the FWD cases. Maybe another change over the contact hdr in the 
INVITE ?

Regards,

Bogdan-Andrei Iancu

OpenSIPS Founder and Developer
   https://www.opensips-solutions.com
OpenSIPS Summit, Amsterdam, May 2020
   https://www.opensips.org/events/Summit-2020Amsterdam/

On 4/11/20 3:51 PM, Kamlesh . wrote:
> 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 packetsto 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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