16 Tone DTMF Generator Keypad 1234567890*#ABCD1750 – 1.1

If this app does not work properly on your device, or if you simply do not like it, Google Play gives you a 2 hour trial period during which you can cancel your order for a full refund. 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.