[OpenSIPS-Users] RTP Proxy Between Public and Private IPs

[Arjun Shankar K S]

Hi Andrew, 

Thanks you very much for your Reply. 

Yes, I have indeed tried the patch from the link but I was not able to connect calls with my wifi connections. I was also getting the following error, when I used the patch, 


# INFO:handle_command: lookup request failed: session 1617348899, tags 896913887;1/766887591;1 not found 
# ERROR:nathelper:force_rtp_proxy_body: incorrect port 0 in reply from rtp proxy 

Does this error mean that thr rtp proxy is unable to communicate back to the openSIP Server? Is the issue resolvable? 

Thanks, 
Arjun 

----- Original Message ----- 
From: "Andrew Pogrebennyk" <apogrebennyk at sipwise.com> 
To: "OpenSIPS users mailling list" <users at lists.opensips.org> 
Cc: "Arjun Shankar K S" <arjun_ks at kalycito.com> 
Sent: Friday, June 1, 2012 5:44:09 PM GMT +05:30 Chennai, Kolkata, Mumbai, New Delhi 
Subject: Re: [OpenSIPS-Users] RTP Proxy Between Public and Private IPs 

Arjun, 
I'm not sure if running rtpproxy behind NAT is a good idea, but there is 
a patch on internet for adding "advertised address" setting to rtpproxy: 
http://opensips-open-sip-server.1449251.n2.nabble.com/Rtpproxy-behind-the-NAT-td5008041.html 
I've used it ok for some experiment. 

Also I can suggest looking at Sipwise sip:provider, which supports 
advertised_address setting for both signaling and RTP out of the box. 
If you are looking for paid support for setting up a RTP proxy behind a 
NAT, please contact me off list. Good luck. 
Andrew 

On 06/01/2012 11:16 AM, Arjun Shankar K S wrote: 
> Hi All, 
> 
> Greeting to everyone!! 
> 
> I have openSIPS installed successfully behind NAT. I am facing issues in 
> setting up RTP Proxy in the same network where we have a Public IP and 
> an Private IP. 
> 
> I have configured RTP Proxy V1.2.0 in the same machine as openSIPS which 
> has an internal IP as 10.196.15.212 and I have started the RTP Proxy 
> using the following command, 
> 
> ./rtpproxy -l PublicIP/10.196.15.212 -s udp:127.0.0.1:7890 -F 
> 
> I am still facing issue where the Call do not get established properly 
> due to improper NAT Traversal. Can anybody provide some support in 
> setting up a RTP proxy behind a NAT. 
> 
> Any help is sincerely appreciated. 
> 
> Thanks, 
> Arjun 
> 
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