Hi.

It sounds good for who is using rtpproxy. In our case we are using direct media 
without rtpproxy.


As long as our OpenSIPS will be behind a NAT and such NAT is a gateway, we have 
decided to do the following:






RODRIGO PIMENTA CARVALHO
Inatel Competence Center
Software
Ph: +55 35 3471 9200 RAMAL 979


________________________________
De: users-boun...@lists.opensips.org <users-boun...@lists.opensips.org> em nome 
de Johan De Clercq <jo...@democon.be>
Enviado: quarta-feira, 27 de julho de 2016 11:57
Para: OpenSIPS users mailling list
Assunto: Re: [OpenSIPS-Users] OpenSIPS is behind a NAT, not the UAC. What to do?

in the startup route, you should find  your pub ip using curl.
Put that in a var and then use that var in rtpproxy.

2016-07-27 15:07 GMT+02:00 Rodrigo Pimenta Carvalho 
<pime...@inatel.br<mailto:pime...@inatel.br>>:

Dear OpenSIPS-users.



The function nat_uac_test() (from module NATHELPER) works very well and tells 
me whether a cliente to my OpenSIPS is behind a NAT.


But, for my specific network topology, is my OpenSIPS that is behind a NAT, 
from the client perspective. In this case I have to fix the SDP content that 
goes from OpenSIPS to the client, so that the client will be able to send its 
media to a public IP, when communicating to a peer in the same network domain 
of this SIP server.


How can I be sure that for a client perspective the OpenSIPS is behind a NAT? 
In another words, is there a way to the OpenSIPS determine if its client is in 
the same network or in a remote network?


--------------


P.S. I suspect that OpenSIPS should be used in a node with public IP to 
simplify our solution. But our customer asked us to put OpenSIPS in a 
residential device that will be always behind a NAT for some smartphones 
perspective and not behind a NAT for another home devices perspective.


---------------


Any hint will be very helpful!


Best regards.



RODRIGO PIMENTA CARVALHO
Inatel Competence Center
Software
Ph: +55 35 3471 9200<tel:%2B55%2035%203471%209200> RAMAL 979

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