Both WAV and MP3 files are used. If audio does not fully work in Internet Explorer, use Google Chrome.
This is a free online blue box, red box, and touchtone keypad emulator. No installation or administrative rights required!
Use the buttons below to play 2600 Hz, SF tones, MF tones, DTMF tones, and ACTS tones.
MF tones can also be played using the keyboard, as well as 2600Hz. Use K for KP, S for ST, and H for 2600 Hz.
SF TONE GENERATOR
MF TONE GENERATOR
DTMF Tone Generator
ACTS TONE GENERATOR
COIN DEPOSIT SOUNDS