21 lines
936 B
Plaintext
21 lines
936 B
Plaintext
Red Box Plans by the Jolly Roger
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Red boxing is simulating the tones produced by public payphones when you
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drop your money in. The tones are beeps of 2200 Hz + 1700 Hz
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Nickle = 1 beep for 66 milliseconds.
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Dime = 2 beeps, each 66 milliseconds with a 66 millisecond pause between
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beeps.
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Quarter = 5 beeps, each 33 milliseconds with a 33 millisecond
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pause between beeps.
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There are two commonly used methods being used by Phreaks to make free calls.
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1. An electronic hand-held device that is made from a pair of Wien-bridge
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oscillators with the timing controlled by 555 timing chips.
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2. A tape recording of the tones produced by a home computer. One of
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the best computers to use would be an Atari ST. It is one of the easier
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computers to use because the red box tones can be produced in basic with only
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about 5 statments.
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--------------------Jolly Roger
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