[Freeswitch-dev] app that sends and receives faxes

Rick van Rein rick at openfortress.nl
Mon Dec 17 10:08:18 MSK 2012


> You didn¹t look very hard, freeswitch does this out of the box...  Just note
> T.38 does not work over RTP, it uses UPDTL for a transport...

Actually, it can do both.


UDPTL was created before RTP, but has been superceded, except that it
won't die because people implement only UDPTL.  Fax implementations
should IMHO prefer to use image/t38 over RTP/UDP or RTP/TCP.  It will
mean that generic tooling is made accessible to fax.


Join us at ClueCon 2011 Aug 9-11, 2011
More information about the FreeSWITCH-dev mailing list