[Freeswitch-users] txfax unexpected message received

[Shaun Stokes]

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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