Hi Daniel,

Thanks for your input. Since I couldn't decide which one to use, I've been experimenting with using both.
The problem with my mixed approach is that there are too many ICE candidates created (I counted 10 in the last logs I looked at for one call), real relay candidates (turn), and fake host candidates (rtpengine) with different priorities which leads to all kinds of problems.

I think I'll stick to TURN since my clients have support for it. Still, I'd like to keep using the NAT traversal (or more accurately NAT detection) support of Kamailio, but I don't want rtpproxy-ng to add any ICE candidates at all. The reason I need some NAT support in Kamailio is that although most of my clients support ICE/STUN/TURN, others use Jitsi which has no support for these protocols, and I need a way to connect to Jitsi clients that register from behind NAT.

What's the best way to do this?

Cheers,
Peter


On Mon, Jul 14, 2014 at 2:18 PM, Daniel-Constantin Mierla <miconda@gmail.com> wrote:
Hello,


On 12/07/14 19:55, Peter Villeneuve wrote:
Hi,

On my server, I have the option of using either Rtpengine for NAT traversal or pure TURN without rtpengine.
Rtpengine has the obvious plus that it only needs 1 public IP, while TURN (with STUN) will need 2 public IPs, although that's not a problem in my case.

Having said that, I'd like to take advantage of the huge experience that users of this list have in real world deployments. in your experience, which option is more reliable in a real world deployment?

TURN is a more standard way, but it requires support in the client implementation and not many of the (rather old) sip hardphones don't support that.

A RTP relay (like rtpengine, rtpproxy) is server only solution, not requiring anything in the client side. On the other hand is an exposure to less privacy if you don't encrypt the rtp (just because the server controls where to send media).

Cheers,
Daniel

--
Daniel-Constantin Mierla - http://www.asipto.com
http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda


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