[SR-Users] Kamailio [No Audio]

[Daniel-Constantin Mierla]

Hello,

On 5/6/12 9:40 PM, Fred Flintsone wrote:
> I am attempting to route local registered users to local registered 
> users without going to the media server.  I have a media server [*] 
> for PSTN.  But it doesn't support all the CODECS i wan't to use. 
>  Signalling seems fine, but i get NO AUDIO on either call leg.  I have 
> the RTP captures from the local side making the call and the media 
> packets seem to be going exactly where the SDP dictates.  So i'm a 
> little confused.  Is this where an RTP Proxy would come in handy?  I 
> haven't been able to get the audio to work without going to the media 
> server.
>
> If an RTP Proxy is the answer, how much overhead does the proxy add to 
> the Kamailio server?
> Is it something that you don't run on the same machine and use a 
> distributed environment of RTP proxies on other servers?
>
> Or is this something that should be fine and working without a media 
> proxy?
if users are behind nat, then you have to do rtp relay. Either the media 
servers support COMEDIA extension and you have to enforce that in the 
sdp or you have to use rtpproxy.

Cheers,
Daniel

>
> I really appreciate any help!
>
> Thank you,
>
> Fred
>
>
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-- 
Daniel-Constantin Mierla - http://www.asipto.com
http://twitter.com/#!/miconda - http://www.linkedin.com/in/miconda

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