[Freeswitch-users] Cannot receive fax with T.38

[Boris Kovalenko]

Hello!

     Try to add:
<action application="export" data="execute_on_answer=t38_gateway peer"/>

> Yes, mod_spandsp is loaded.
>
> In fact rxfax works fine when I take out the two fax_enable_t38_xxxx 
> lines.
>
>
> On Sat, Apr 2, 2011 at 1:32 PM, Boris Kovalenko <boris at tagnet.ru 
> <mailto:boris at tagnet.ru>> wrote:
>
>     Hello!
>
>         Have You compiled and loaded mod_spandsp?
>
>>     Hi everybody,
>>
>>     I am stuck for several days trying to receive a fax using T.38
>>
>>     Based on the instructions in the wiki, I use the following dialplan:
>>
>>     <action application="answer" />
>>     <action application="playback" data="silence_stream://2000"/>
>>     <action application=set data="fax_enable_t38=true"/>
>>     <action application=set data="fax_enable_t38_request=true"/>
>>     <action application="rxfax" data="/tmp/rxfax-${uuid}.tif"/>
>>     <action application="hangup"/>
>>
>>     When I do that, when rxfax is executed, the following appears on
>>     the console:
>>
>>     2011-04-02 01:00:04.890173 [ERR] switch_core_session.c:1918
>>     Invalid Application
>>
>>     If I take out the t38 lines, rxfax behaves as expected, receiving
>>     the fax using ulaw.
>>
>>     However, I would like to use t.38 instead, which is supported by
>>     my gateway.
>>
>>     My scenario is:
>>
>>     PSTN -> CISCO AS5400 from my provider -> Internet -> My Freeswitch.
>>
>>     I have also tried connecting a fax to a Grandstream HT-502, with
>>     the same results. I get a INVITE (which don't mention anywhere
>>     T.38 in the sdp) and Freeswitch never issues a reINVITE asking to
>>     switch to t.38
>>
>>     My version of FS is:
>>     FreeSWITCH Version 1.0.head (git-24a9729 2011-03-11 13-00-55 -0600)
>>
>>     Anybody can give me a clue on what could I be doing wrong????
>>
>>     Thanks in advance!
>>
>>     Alex
>>
>>
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>
>
>     -- 
>     С уважением,
>        Борис Коваленко
>        ЗАО "Тагнет"
>        (3435) 494991
>
>
>
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>
>
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-- 
С уважением,
   Борис Коваленко
   ЗАО "Тагнет"
   (3435) 494991


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