[Serusers] mediaproxy feature request: immediate re-invite

Nils Ohlmeier lists at ohlmeier.org
Tue Sep 6 20:16:04 CEST 2005


Just a small warning:
you are thinking/talking here about areas where commercial companies holding 
some patents. So before you implement anything like this (apart from the 
technical problems which you discused with Klaus) you maybe should check your 
patent office to avoid trouble for the future.

Regards
  Nils Ohlmeier

On Monday 05 September 2005 20:32, Federico Giannici wrote:
> As I found no other support email address for mediaproxy, I'm sending
> here this request...
>
> Is it possible to implement an option in mediaproxy to allow an
> IMMEDIATE RE-INVITE to both UAs as soon as the RTP streams start?
>
> The idea is to use Mediaproxy only to find out the NATted RTP ports of
> both UAs. Then a re-INVITE is immediately sent to the UAs so that the
> streams are no longer proxied, avoiding all problems of RTP relaying:
> waste of bandwidth, longer delays, bad scalability, etc.
>
> I know this will not work with symmetric NATs, but I found that they are
> relatively rare and anyway they will neither work with STUN...
>
>
> If anybody knows that this is theoretically impossible to implement,
> please tell me that.
>
>
> Thanks.




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