[SR-Users] Familiar topic about Kamailio with Asterisk behind NAT

[Daniel Tryba]

On Wednesday 30 September 2015 10:22:51 Dirk Teurlings - SIGNET B.V. wrote:
>      CLIENTS <-> (NAT) <-> INTERNET <-> KAMAILIO(4.2.5) with 
>RTPPROXY(v1) <-> PRIVATE LAN <-> ASTERISK (v1.8)

> I'm kind of stuck as to where I need to fix this. I tried using the 
> externaddr option in Asterisk to solve it on that end. But that didn't 
> help anything. The NAT options in Kamailio are not really suited for 
> this, as they tend to fix client NAT problems.

The asterisk doesn't need to know the network topology beyond its connection 
with kamailio, so you need to fix it at the place of traversal between public 
and private: kamailio.