28 Oct
2008
28 Oct
'08
4:18 p.m.
Graham Wooden schrieb:
Thanks Klaus. I will try the force_rtp_proxy() in the
302 failure_route
tonight; I already have the get_redirects and t_relay in there.
However, what is the best way to get in there for the 200 OK for the
reply without having it be for evey call?
1. use t_on_reply() in failure route to activate a reply route for this
transaction
2. mark the dialog somehow, so that you can cal force_rtp_proxy also for
reINVITEs of this dialog (e.g. by adding a record route parameter which
you can check after loose_route() or by using the dialog module)
3. in reply route check if response code has body with content type sdp
(textops module) and if present call force_rtp_proxy.
For how enforcing rtpproxy works in general I recommend to make a sample
configuration with the sipwise.com wizard.
regards
klaus
Thanks!
-graham
Hi!
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.
http://www.kamailio.org/docs/modules/devel/nathelper.html#id2506972
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.
regards
Klaus
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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