[Kamailio-Users] Engaging rtpproxy

Klaus Darilion klaus.mailinglists at pernau.at
Tue Oct 28 10:20:40 CET 2008


Note: There are 2 RTP proxies for Kamailio:
  for Kamailio <= 1.3: rtpproxy (controlled via nathelper module) and 
mediaproxy (controlled via mediaproxy module)

  for Kamailio >= 1.4: rtpproxy (controlled via nathelper module) and 
mediaproxy2 (controlled via mediaproxy module)

mediaproxy2 is a Linux kernel module and I think you can not record with 
it. AFAIK rtpproxy supports recording of sessions. 

3xx can be caught in failure_route.

There you execute get_redirects("*"); the force_rtpproxy and then 
t_relay. Further make sure that force_rtp_proxy() is also called for the 
200 OK response (reply route) and furter in-dialog requests.


Graham Wooden schrieb:
> Hi list,
> I currently don¹t proxy audio nor have any plans to for all calls, except
> for the "302 Redirect", where I need kamailio to become a b2bua with
> RTPproxy (or for the record CALEA).
> However, I can¹t seem to get the ³if² statement down on where
> ³engage_media_proxy² gets called without doing it for all outbound calls.
> What is the best way to identify a call that was from a SIP client that
> issued a 302?
> My last effort was:
>    if ( uri == mysqlf && is_method("INVITE") ){
> But that seemed to get every call.  Any guidance would be appreciated,
> thanks.
> -graham
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