[SR-Users] SIP routing problem when kamailio uses 2 interfaces

Henning Westerholt henning.westerholt at 1und1.de
Wed Aug 25 18:29:40 CEST 2010

On Sunday 22 August 2010, Gnaneshwar Gatla wrote:
> I'm using Kamailio as a Border controller for my VoIP Research project at
>  my school.
> The problem I'm facing is Kamailio routes the traffic to the private
>  network where my asterisk machine is listening.
> The asterisk machine responds to the Kamailio using the public network but
> not the private. Is this an issue with Asterisk? If so how do I resolve it?

Hi Gnaneshwar,

it could be several issues, normally asterisk should respect the incoming 
interface and route appropriately. Maybe your IP routing on the asterisk box 
is not correctly configured? Or as a workaround, maybe you could just route 
the traffic from the kamailio also to the asterisk over the public interface?



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