[OpenSIPS-Users] Wrong Direction of RTPProxy media

[Bogdan-Andrei Iancu]

Hi Kamil,

For a better understanding of you scenario could you post a sip capture 
(on proxy side) of the whole call ? Just to see the SDP negotiation.


Regards,
Bogdan

Kamil Nigmatullin wrote:
> Hello,
>
> We have a softswitch that has several media gateways with differnt IP addresses
> than the SIP server. 
>
> Opensips and RTPProxy work in bridge mode. When user from PSTN initiates the
> Invite Request to the user that is a SIP Client on Public Internet, in goes thru
> our SoftWithch and Opensips Proxy and reaches the client. 
>
> Then the client initiates 200OK with SDP and begins to send stream to the proxy.
> Then the problem appears. The Proxy sends thestream to the SIP server, not to
> mediagateway however SDP body from softswitch contains the IP of mediagateway.
>
> I understand that SSwitch must make madiagateway to send traffic when it receive
> 200 OK, but this is the issue with softswich that is in process of debuging of
> manufacturer. 
>
> Anyway I'am not sure if I'm using RTPProxy correctly, but it works when
> mediagateway starts to send RTP stream to the proxy. (Some sip telephones send
> extra 180 Ringing with SDP and in this case it works).
>
> This how I use RTPProxy. In Debian it seems the only working solution of all
> that I tried.
>
> modparam("nathelper", "rtpproxy_sock","unix:/var/run/rtpproxy/rtpproxy.sock")
>
> 10082 ?        Ss     0:01 /usr/sbin/rtpproxy -s
> unix:/var/run/rtpproxy/rtpproxy.sock -u rtpproxy rtpproxy -p
> /var/run/rtpproxy/rtpproxy.pid
>
> Thanks a lot
>
>
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>
>   


-- 
Bogdan-Andrei Iancu
OpenSIPS eBootcamp - 28th February 2011
OpenSIPS solutions and "know-how"