[Freeswitch-users] txfax unexpected message received

[Madovsky]

Did you try to activate ecm?

<param name="use-ecm" value="true"/>

On 11/24/2017 11:42 AM, António Silva wrote:
> Hi Shaun,
>
> Thanks for the reply.
>
> Yes, mod_fax was merged into mod_spandsp. also i always try to use t38 
> but in this case the gateway in front (an old old nortel cs2k) is 
> worst than using t30.
>
> I also read that old message but for what i could understand it was 
> some echo issue but i don't think is the problem here i don't reach 
> the training part..., i also sending the fax at lower speed... Also 
> using this same trunk (similar path) with only t30 to other 
> destinations works ok, so I'm think on some sort of incompatibility on 
> the transmitted page size, training method or other reason i don't know..
>
>
> Yes the full log was attached in the email, didn't show up to you?
>
>
> I put it into pastebin:
>  https://pastebin.freeswitch.org/view/3c433ca6
>
>
> On 11/24/2017 07:20 PM, Shaun Stokes wrote:
>> 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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>>
>> ______________________________________________________________________
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>