[Freeswitch-users] Skypiax: not able to detect "Inband" dtmf tones from pstn call?

[Giovanni Maruzzelli]

do as anthm say :-)

On Tue, Dec 22, 2009 at 4:21 PM, Anthony Minessale
<anthony.minessale at gmail.com> wrote:
> add "start_dtmf" app to your dialplan before bridge to start the inband dtmf
> detector.
>
>
> On Tue, Dec 22, 2009 at 8:57 AM, Scott Torr <scott.torr.fs at letterboxes.org>
> wrote:
>>
>> ubuntu-8.04.3-server-amd64.iso (update/upgrade)
>> FreeSWITCH Version 1.0.trunk (15787)
>> skype-ubuntu-intrepid_2.1.0.47-1_amd64.deb
>> mod_skypiax
>>
>> (POTS)-->(PSTN)-->(skypeIN)-->(skype_client)-->(skypiax)-->(fs)
>>
>> <extension name="Indial_to_fs_via_skypeIN">
>>  <condition field="destination_number" expression="^501$">
>>    <action application="start_dtmf" />
>>    <action application="record_session"
>>
>>  data="/root/recordings/${strftime(%Y-%m-%d-%H-%M-%S)}_${destination_number}_${caller_id_number}.wav"/>
>>    <action application="playback" data="/root/Hello_16000.wav" />
>>  </condition>
>> </extension>
>>
>>
>> fs>console loglevel 7
>>
>>
>> If I dial 501 from from a sip phone using "inband" dtmf I can see the
>> dtmf tones being detected and decoded by fs in the debug log.
>>
>>
>> If however I use a pstn phone and dial my skypeIN telephone number the
>> call comes into fs via skypiax but when I generate dtmf tones on the
>> phone they are not detected or decoded by fs.
>>
>> If I take the record_session file and spectrum analyze the recorded
>> tones appear to be within spec.
>>
>>
>> Can anybody suggest why this is not working for me?
>>
>>
>> Is the correct sample rate being used in libteletone_detect.c?
>> Does the Goertzel algorithm work for other sample rates other than
>> 8000hz?
>>
>>
>> I'm not sure why I can not get this to work?
>>
>>
>>
>> regards,
>> Scott Torr
>>
>>
>>
>>
>>
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>
>
>
> --
> Anthony Minessale II
>
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>



-- 
Sincerely,

Giovanni Maruzzelli
Cell : +39-347-2665618