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Overview Edit

The number 2600

has special significance to the hacker community. It is the hertz frequency . . . of a signal that some hackers formerly used to explore the entire telephone system from ‘operator mode,’ which was triggered by the transmission of a 2600 hertz tone across a telephone line, or to place telephone calls without incurring long-distance toll charges. One such user reportedly discovered that the sound of a toy whistle from a box of Cap’n Crunch cereal matched the telephone company’s 2600 hertz tone perfectly.[1]

References Edit

  1. Universal City Studios, Inc. v. Corley, 273 F.3d 429, 435 n.2, 60 U.S.P.Q.2d (BNA) 1953 (2d Cir. 2001) (full-text) (citations omitted).

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