aTone_library.md

Overview

This library provides API to play DTMF tones (ITU-T Recommendation Q.23)

Function and procedure

generateTones

procedure generateTones(number: string; duration: integer);

Description Generate DTMF tones for the given phone number.

Arguments

• number
• duration The tone duration in milliseconds.

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generateSound

procedure generateSound(frequency: integer; duration: integer);

Description Generate and play a sound with frequency in duration (milliseconds)

Arguments

• frequency frequency of sound
• duration The tone duration in milliseconds.