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

[Anthony Minessale]

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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