[Freeswitch-users] Issue with sending fax with t.38

James Lyons jlyons at quikvoip.net
Tue Jun 26 04:25:52 MSD 2012


I'm attempting to use txfax in mod_spandsp to send a fax over t.38 to a 
fax machine at a PSTN number.

The receiving side hangs up, after appearing to send a number of 
malformed RTP packets.

"Ignoring invalid RTP packet size of 8 bytes."

Can anyone explain this?

opensips proxy is 1.2.3.4
fs gw is 1.2.3.5
fs originator is 1.2.3.6

Thanks,
James
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