This program monitors for DTMF tones when in a phone conversation and at the end allows you to dial the number on your phone. When the person wants to give you a number and they can simply enter it in the keypad of the phone and the program decodes the audio in real time for DTMF digits and displays them. The DTMF audio decoder is based on the 'Goertzel Algorithm'.

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(c)1998-2017 Vincent Collura ( Inventor / Engineer )