[Freeswitch-users] txfax unexpected message received

Shaun Stokes shaun.stokes at itec-support.co.uk
Fri Nov 24 18:20:12 UTC 2017


Haven't seen that one before, we use T.38 pass through over G711 and never had any problems that can't be explained, possibly an incompatible destination.

I've found this, they're using mod_fax not mod_spandsp_fax but the error is similar might help point you in the right direction:
http://lists.freeswitch.org/pipermail/freeswitch-users/2009-September/047151.html

Would be useful to see the logs for mod_spandsp_fax from the beginning, might be some hidden clues. Make sure you enable verbose in 'conf/autoload_configs/spandsp.conf.xml'.

Shaun

-----Original Message-----
From: FreeSWITCH-users [mailto:freeswitch-users-bounces at lists.freeswitch.org] On Behalf Of António Silva
Sent: 24 November 2017 17:53
To: freeswitch-users at lists.freeswitch.org
Subject: [Freeswitch-users] txfax unexpected message received

Hi,

when sending a fax to a particular destination it fails with "Fax processing not successful - result (13) Unexpected message received."
To other destination is working ok, i don't know what is the particularity on this one that makes it fail...

 From the logs i see:

2017-11-24 18:30:05.625309 [DEBUG] mod_spandsp_fax.c:276 FLOW T.30 Rx: CFR with final frame tag
2017-11-24 18:30:05.625309 [DEBUG] mod_spandsp_fax.c:276 FLOW T.30 Rx: ff 13 84
2017-11-24 18:30:05.625309 [DEBUG] mod_spandsp_fax.c:276 FLOW T.30 Rx final frame in state D
2017-11-24 18:30:05.625309 [DEBUG] mod_spandsp_fax.c:276 FLOW T.30 Unexpected CFR frame in state D

I guess that is not suppose to receive confirmed to received.. because the training is not yet done. Can i do anything from my side to make it work?
I've tried with different resolutions but no luck.. i try with t38 but this gw the t38 is not well implemented and also didn't work.



To send the fax i just do:
originate {fax_verbose=true}sofia/gateway/CS2K/939165135
&txfax(/root/txfax.tiff)

Attach full log.


Thanks for the help.


--
Saludos / Regards / Cumprimentos
António Silva



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