[asterisk-users] Measuring audio file legth

[Suity Zsolt]

Hi,

I have to set call length to 3min, but before hangup have to warn 
caller. There are many IVRmenu and submenu options with different 
warning audio.
I have to measure somehow the audio file length and subtract it from 3 
minutes.

exten => _X.,1,Set(_AudioLegth=MeasureAudioLength(WarningAudioX))
exten => _X.,n,Set(TIMEOUT(absolute)=${${MaxCallDuration}-${AudioLength}})


Any idea?



Thank you!
--
Suich