[SR-Users] Kamailio + RTPEngine behind NAT (STUN Handling)

[Richard Fuchs]

On 10/24/14 12:34, Marko Seidenglanz wrote:
> Hello,
> 
> We want to use Kamailio (4.2) + RTPEngine (3.3) behind NAT.
> Unfortunately the STUN Messages (Binding Requests) sent from remote peer
> (Google Chrome ) do not arrive at RTPEngine host.
> 
> I think they get blocked by the firewall. RTPEngine itself does not send
> any STUN Messages until it get's the first message from the remote peer
> as Google Chrome has the "active" role in DTLS Agreement. 
> 
> Is there a way to tell RTPEngine to open the ports for remote peer, so
> that the messages arrive?
> 
> 
> When RTPEngine is not behind NAT, everything works as expected.

Rtpengine is designed to be run on a host with a public address, or at
least a host that has direct communication with the clients that it's
supposed to serve. So no, there is no such function.

cheers