Hi Jeff,

The UDP versus TCP issue is for the communication between opensips and media relay ? If so, how comes you have a firewall between them ? you have opensips and the media relay in different networks ?

Regards,
Bogdan

Jeff Chua wrote:
On Mon, Jan 10, 2011 at 8:09 PM, Bogdan-Andrei Iancu
<[email protected]> wrote:
Hi Jeff,

You can see how nat traversal is done with nathelper + RTPproxy - download
the opensips virtual machine
(http://www.voice-system.ro/shortcuts::opensips_livedvd)  were you have a
ready to run opensips platform with NAT traversal support - you can see in
the script form the VM how the NAT traversal is done (for signalling and
media).

Regards,
Bogdan

Bogdan,

Thanks for the pointer. I've just downloaded the vm, and looked thru
the code. It's using nathelper with rtpproxy ... but rtpproxy only
support UDP. I'm using VPN from my home to my office and the firewall
doesn't allow UDP. That's why I'm thinking of using nat_travesal which
supports TCP. Any pointer to sample config with nat_travesal?

Thanks,
Jeff

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Bogdan-Andrei Iancu
OpenSIPS Event - expo, conf, social, bootcamp
2 - 4 February 2011, ITExpo, Miami,  USA
www.voice-system.ro


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