Show us how you're doing the playback, If you're doing session:execute('playback', 'blah.wav'); The input callback won't function you have to use session:streamFile instead.

On Tue, Jun 27, 2017 at 1:10 PM, Muhammad Naseer Bhatti <nbhatti@gmail.com> wrote:

I am running an IVR which collects DTMF input while the file is being played, written in Lua. I set InputCallback and then listen for DTMF events. If event found, take actions etc.

session:setInputCallback("eventHandler")

playbackMessage (playback_delay)

Facing a strange issues with Verizon where they send a quick RTP Event write after starting the audio, which triggers the DTMF event and bad things happen in my script. This only happens within first 1 to 2 seconds of RTP. How can I have my InputCallback listen for events only after a few seconds while still playing the audio? or do I have to switch to playAndGetDigits() ?

--

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