[Kamailio-Users] basic SIP forwarding with Asterisk

[Klaus Darilion]

Jeff Brower schrieb:
> Klaus-
> 
>> Jeff Brower schrieb:
>>> Raúl Alexis-
>>>
>>>> On Friday 23 October 2009 16:01:41 Jeff Brower wrote:
>>>>> Klaus-
>>>>>
>>>>>> So you want to do transcoding in rtpproxy using a DSP card? I do not
>>>>>> know - better ask on the rtpproxy mailing list (or Maxim directly - I
>>>>>> think he has a non-open source solution).
>>>>> Ya we have -- and it works, no problem.  We've tested already with Kamailio
>>>>> + rtpproxy.
>>>> It's possible to know witch DSP card are you using ?
>>>   http://www.signalogic.com/sigc5561_ptmc.htm
>>>
>>> in PCI and PCIe formats.
>> Interesting. How does it work in detail. Does rtpproxy use the DSP card
>> for transcoding, or is rtpproxy bypassed completely and Kamailio talkes
>> with the DSP card directly which works like rtpproxy itself (as I saw
>> the DPS card has a dedicated network inteface)?
> 
> rtpproxy interfaces with the card.  rtpproxy uses the card's GbE for IP addr's instead of the server.  So the idea
> (more or less) is the server handles signaling / SIP and card handles data / RTP.  We keep Kamailio away from the
> card, so it doesn't have to be in the same server.

So, rtpproxy is more or less only used to control the 
RTP-forwarder-and-transcoder on the DSP card?

klaus