Hello saul:
I've now running the OpenSIPS server with the Mediaproxy.
Some natted UA are working and others no. Those that can't, thay can call but
no audio/video.
I would like to enable the ICE (cause the UA also support it) but i'm really
stuck on the wiki page you've recomended. Could you help me on how to enable
ICE?
I think i've to add the following lines to the opensips.conf file:
modparam("mediaproxy", "ice_candidate", "low-priority")
modparam("mediaproxy", "ice_candidate_avp", "$avp(ice_candidate)")
but i don't understand what should i do with the followings ones:
route {
...
$avp(s:ice_candidate) := "low-priority";
...
}
and
1 if ((ice_candidate != none and ice_candidate_avp != none) 2 and SDP offer
contains a=ice-pwd 3 and a=ice-ufrag and a=candidate line(s) then: 4 append to
the SDP the following line: 5 a=candidate:R(random string) 1 UDP PRIORITY MP_IP
MP_PORT typ relay 6 a=candidate:R(random string) 2 UDP PRIORITY MP_IP
MP_RTCP_PORT typ relay
Thanks for your help.
BR,
Leo.
________________________________
Da: Saúl Ibarra Corretgé <[email protected]>
A: OpenSIPS users mailling list <[email protected]>
Inviato: Giovedì 28 Febbraio 2013 12:07
Oggetto: Re: [OpenSIPS-Users] NAT
On Feb 28, 2013, at 11:47 AM, leo wrote:
> Thanks Adrian.
>
> There was a sense in my question, having the RTP traffic P2P would be
> translated in:
> 1) better user experience, less jitter and latency.
> 2) saving to install one or more mediaproxies. Considering that all RTP
> traffic will pass on them, they will need to have high bandwidth (symmetric
> up/down) and maybe CPU/RAM.
>
Fixing the signaling is not enough because the media flows through different
ports and with symmetric NATs you don't know what ports those will be. To (try
to) use P2P media you need your endpoints to use ICE. MediaProxy is ICE aware,
so if it detects that media is flowing P2P it will bail out. You can find more
information about this here:
http://mediaproxy.ag-projects.com/projects/mediaproxy/wiki/ICE
Regards,
--
Saúl Ibarra Corretgé
AG Projects
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