[OpenSIPS-Users] How to install NAT support for Opensips 1.7.x

[Barsan Liviu]

Hi,

If you want to have far-end NAT traversal then you should use a media relay like 
rtpproxy or MediaProxy. Read first the NAT traversal problem.

One solution for NAT traversal is to take a look to the book Building Telephony 
Systems with OpenSIPS 1.6, chapter NAT traversal, it is an example that works 
well.
And if you want to use MediaProxy instead of rtpproxy, then replace the calls of 
rtpproxy with the correspondent from MediaProxy (use_media_proxy...).

Also to have ICE is simple, just set the right parameter in the MediaProxy 
module.

Regards,
Liviu



________________________________
From: Coca <chanea at gmail.com>
To: users at lists.opensips.org; devel at lists.opensips.org
Sent: Tue, July 19, 2011 10:22:00 AM
Subject: [OpenSIPS-Users] How to install NAT support for Opensips 1.7.x

Hi list, 

I am having opensips 1.7.x working on a public ip , and now I want to add 
NAT traversal support to it.

My question is :

1) What modules do you suggest me to use in normal case?   nat_traversal.so or 
nathelper.so ?
2) If I use nathelper.so , is it necessary to install rtpproxy to the server 
also?
3) where i can find a sample for the opensips.cfg?

I noticed that since 1.5.x nathelper.so use 2 steps(rtpproxy_offer 
and rtpproxy_answer) instead force_rtpproxy in 1.4.x,
which is completely gone in 1.7.x.
An example for the route logic may help , but what I can found in the internet 
are almost sample for 1.4.x.

Any kind of advice will be great appreciated.

Thanks,

Coca
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