[Kamailio-Users] basic SIP forwarding with Asterisk

[Jeff Brower]

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.

-Jeff