[SR-Users] kamailio configuration problem

[Corey Edwards]

On Mon, Dec 29, 2014 at 5:03 PM, javier falbo <javier_falbo at hotmail.com>
wrote:

> Hi,
>
> I would like some help from a kamailio expert.
> I have installed on a Debian7  64 kbytes VPS this tutorial:
> http://kb.asipto.com/kamailio:skype-like-service-in-less-than-one-hour,
>
> Problem is that there is no voice in a zrtp connection, but i hear only
> the ring sound ok.
> Strange is that on my local wifi works all perfect including the voice,
> but with external ip no.
> Any help? I would like to hire a kamailio expert for fixing this and also
> adding some extras.
> Write me directly so we could get in contact.
>

Kamailio itself doesn't handle media, only SIP. Your issue sounds
disturbingly like a NAT problem, which is not uncommon.

Are you using the nathelper module? Are you using an RTP relay such as RTP
Proxy or MediaProxy?

Is your Kamailio server behind a NAT?

Please provide SIP traces, logs and configs and we'll do our best to assist.

Corey
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