Red Box (phreaking)

A red box is a phreaking device that generates tones to simulate inserting coins in pay phones, thus fooling the system into completing free calls. In the United States, a nickel is represented by one tone, a dime by two, and a quarter by a set of 5 tones. Any device capable of playing back recorded sounds can potentially be used as a red box. Commonly used devices include modified Radio Shack tone dialers, personal MP3 players, and audio-recording greeting cards.

Famous quotes containing the words red and/or box:

    Now wait a minute. You listen to me. I’m an advertising man, not a red herring. I’ve got a job, a secretary, a mother, two ex- wives, and several bartenders dependent on me. And I don’t intend to disappoint them all by getting myself slightly killed.
    Ernest Lehman (b.1920)

    We are little airy creatures,
    All of different voice and features:
    One of us in glass is set,
    One of us you’ll find in jet,
    T’other you may see in tin,
    And the fourth a box within;
    If the fifth you should pursue,
    It can never fly from you.
    Jonathan Swift (1667–1745)