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
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