ToneDef is a small, powerful open source tone dialer featuring full DTMF, blue box, and red box modes. Dial using the keypad buttons, enter a predefined sequence for automatic playback, or select an entry from your contact list. A small slice of phreaking history! ;)
Full GPL V2+ source code is available on GitHub: https://github.com/Fortyseven/ToneDef
PERMISSIONS: Requests access to contact list to allow for dialing a number attached to a contact.