[OpenSIPS-Users] opensips behind firewall.

[Alexey Kazantsev]

Hello Johan,

rtpengine itself has the ability to listen on one address but advertise another.

This is from official documentation:
"interface=10.65.76.2!192.0.2.4 means that 10.65.76.2 is the actual local 
address on the server, but outgoing SDP bodies should advertise 192.0.2.4 
as the address that endpoints should talk to".

Please refer to https://github.com/sipwise/rtpengine , section "Interface configuration".
I hope this will help you.

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BR, Alexey
http://alexeyka.zantsev.com/