[Serusers] chain of rtp proxies ...

[Atle Samuelsen]

Hi again Cesc, 

* Cesc <cesc.santa at gmail.com> [061211 10:33]:
> Hi!
> 
> Thanks guys!
> I got it to work yesterday morning ... I have audio going through a
> chain of 2 rtpproxies ...
> My first attempts failed ... i mistook the F parameter by the R one ... :(
> I basically do as Atle showed on his email ... plus some
> unforce_rtp_proxy here and there (i found it in some onsip.org config
> file).

Great that it works :) Hope you get your service working as it should. 

 - Atle
> 
> Cesc
> 
> On 12/11/06, Klaus Darilion <klaus.mailinglists at pernau.at> wrote:
> >Cesc wrote:
> >> On 12/9/06, Atle Samuelsen <clona at cyberhouse.no> wrote:
> >>> Hi Cesc,
> >>>
> >>> Thanks for VON.
> >>
> >> It was my pleasure to meet all you guys ... I am hooked now. In my
> >> mind I have a background process trying to figure out how to go to the
> >> next one (San Diego? :D )
> >>
> >>>
> >>> > I have a few questions ...
> >>> > - i saw mentioned that chaining is possible ... no problem there
> >>> > right? i need to send an extra parameter to the force_rtp_proxy and
> >>> > that is it? no side-effects if, i.e, call between the phones in the
> >>> > same island (thus, just one rtp proxy)?
> >>>
> >>> This is possible, but you need to turn of the checking :) (there is a
> >>> modparam that checkes if there in the sdp sasys a=nortpproxy or
> >>> something like that.
> >>>
> >>
> >> Ok ... i think is a parameter in force_rtp_proxy, right?
> >
> >yes, you need the "f" flag (guess it is still the same in ser)
> >
> >http://www.openser.org/docs/modules/1.1.x/nathelper#AEN275
> >
> >> A final question ... basically thinking out loud (and writing it down) :)
> >> I read that rtpproxy won't start relaying until it got an rtp packet
> >> from both sides ... is it true? could this not cause problems,
> >> specially with chained rtpproxies, if say, i have one of the phones
> >> not sending rtp packets (say, it starts muted ... muted means no rtp
> >> packets)?
> >
> >
> >AFAIR rtpproxy is asynchronous until the first RTP packet from each side
> >is received. Thus chaining should work.
> >
> >regards
> >klaus
> >
> >btw: rtpproxy also has some parameters:
> >http://cvs.berlios.de/cgi-bin/viewcvs.cgi/ser/rtpproxy/manpage.xml?rev=1.2&content-type=text/vnd.viewcvs-markup
> >
> >also main.c wil show you that there are some more undocumented parameters.
> >
> >
> >>
> >>
> >> Cesc
> >>
> >>
> >>>
> >>> - Atle
> >>>
> >>> > Regards,
> >>> >
> >>> > Cesc
> >>> > _______________________________________________
> >>> > Serusers mailing list
> >>> > Serusers at lists.iptel.org
> >>> > http://lists.iptel.org/mailman/listinfo/serusers
> >>>
> >> _______________________________________________
> >> Serusers mailing list
> >> Serusers at lists.iptel.org
> >> http://lists.iptel.org/mailman/listinfo/serusers
> >
> >
> >--
> >Klaus Darilion
> >nic.at
> >
> >