[OpenSIPS-Users] NAT issues with certain routers

[Jose Luis Fernández Pérez]

Hey!

Thanks for the answer, actually I did so, I installed an rtpproxy in every
sip server and solve those issues, now I have a "good enough" solution,
both high available and fault tolerant (though added some extra traffic).

Thanks again!


2013/7/17 Samuel <samuelcamara at hotmail.com>

> Hola Jose,
>
> I believe we can't solve it only at signaling level. Who controls the
> source
> IP address it's the client, and when behind NAT it's even worst since the
> NAT box is the one who controls the source port.
> I had some kind of issues and could solve it only via RTP relaying.
>
> You will need to use RTP/Media relay server. Some kind of NAT can be solved
> only via relaying the RTP in intermediate server. RTPproxy it's a option.
> At
> signaling level we can't fix the port, since SDP do not contain the correct
> port and it's different from the SIP used source port.
> RTPproxy will receive the RTP and find what it's the source address of RTP
> and then will send the the RTP to that port.
>
> You need to install RTPProxy.
>
> Hope this helps
>
>
>
>
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>
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