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

[Vik Killa]

I struggled with this setup for a while using rtpproxy, i eventually went
with rtpengine because it seems to have more features and is still
maintained.
I wrote a quick how-to (mostly for myself to remember)
https://blog.voipxswitch.com/2015/08/11/rtpengine-with-kamailio-as-load-balancer-and-ip-gateway/

Here is the kamailio.cfg
http://blog.voipxswitch.com/wp-content/uploads/2015/08/kamailio.cfg-rtpengine.txt

On Fri, Oct 9, 2015 at 8:50 AM, Fred Posner <fred at palner.com> wrote:

> On 10/08/2015 09:09 AM, Ovidiu Sas wrote:
> > If the SDP is correct, then you might have specific issues related to
> > your specific deployment case. Snippets from others config files won't
> > help. You really need to investigate and understand your particular
> > issue that you are facing and fix it accordingly.
> >
> > Regards,
> > Ovidiu Sas
> >
> > On Oct 8, 2015 09:04, "Dirk Teurlings - SIGNET B.V."
> > <dteurlings at signet.nl <mailto:dteurlings at signet.nl>> wrote:
> >
> >     On 30-09-15 13:29, Fred Posner wrote:
> >
> >
> >         Without a version of rtpproxy using the -A flag, you'll need to
> >         either
> >         (1) update to a different version of rtpproxy or (2) skip
> >         rtpproxy and
> >         have your asterisk handle all the rtp.
> >
> >
> >     I tried rtpproxy v2, with the -A flag in bridge mode ( -A
> >     privateip/publicip ). This doesn't reflect anything in the SIP
> headers.
> >
>
> A is advertise which should be different from bridging, and not certain
> why you'd be in bridged mode. Are you using more than one nic?
>
> Normally, for -A use something like:
>
> rtpproxy -A PUBLICIP -F -l PRIVATEIP -m 10000 -M 55000 -s udp:*:7722 -d
> INFO
>
> (the -d INFO will increase your logging)
>
> If you continue to have trouble, I'd recommend you post an ngrep of the
> failure.
>
> Fred Posner
> http://www.palner.com (web)
> +1-224-334-3733 (direct)
>
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