[OpenSIPS-Users] FAX with rtpproxy

Bogdan-Andrei Iancu bogdan at voice-system.ro
Tue Feb 3 11:49:35 CET 2009


Hi Michel,

FAX is transparent for RTPProxy - rtpproxy deals at IP level, so it 
doesn't care about RTP and about the codecs, etc... So, if it is fax or 
voice, it is the same.

Maybe the problem is when you have a re-INVITE for changing the codecs 
(from voice to FAX)...do you have a re-INVITE in your fax call?

Regards,
Bogdan

michel freiha wrote:
> Hi all,
> I have a problem with RTPProxy and FAX..the rtpproxy is not sending 
> back rtp packets to the source endpoint...Does anyone faced this issue 
> before?
>
> Thanks a lot
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