16 DTMF Tone Generator Keypad App

This app will give you a 16 tone DTMF keypad and the ability to generate custom DTMF sequences, and set the duration and tone to silence ratio. Includes the characters 1234567890*# and the menu tones ABCD. You may enter a custom sequence via the keypad, soft keyboard, or speech if your device already has speech-to-text capability.
This is basically a touch tone telephone keypad, which may be of interest to amateur ham radio repeater operators