[Freeswitch-users] txfax unexpected message received

Fri Nov 24 23:16:01 UTC 2017

try to disable t38, I noticed various problem when T30 was involved with 
t38 enabled


On 11/24/2017 3:02 PM, António Silva wrote:
> yes, also from the command line:
>
> originate {fax_verbose=true, 
> fax_use_ecm=true}sofia/gateway/CS2K/939165135 &txfax(/root/txfax.tiff)
>
>
> originate 
> {fax_verbose=true,fax_use_ecm=false}sofia/gateway/CS2K/939165135 
> &txfax(/root/txfax.tiff)
>
>
>
> my current spandsp.xml
>
>         <fax-settings>
>                 <param name="enable-t38" value="true"/>
>                 <param name="use-ecm" value="true"/>
>                 <param name="verbose" value="false"/>
>                 <param name="disable-v17" value="false"/>
>                 <param name="ident" value="_undef_"/>
>                 <param name="header" value="_undef_"/>
>                 <param name="spool-dir" value="/tmp"/>
>                 <param name="file-prefix" value="faxrx"/>
>         </fax-settings>
>
>
> On 11/24/2017 08:54 PM, Madovsky wrote:
>> 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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>>>> ______________________________________________________________________
>>>> _________________________________________________________________________ 
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>>
>>
>> _________________________________________________________________________ 
>>
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>