57 lines
2.2 KiB
Plaintext
57 lines
2.2 KiB
Plaintext
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THIS IS AN ORIGINAL PHILE FROM P-80
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RED BOXING WITH WHISTLES BY THE RESEARCHER
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THIS ARTICLE IS PRESENTED AS A NEWS ITEM ONLY. IT IS NOT TO BE TAKEN AS AN
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ENCOURAGEMENT TO MAKE FRAUDULENT TELEPHONE CALLS.
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RED BOXING CONSISTS OF SIMULATING THE TONES PRODUCED WHEN COINS ARE DEPOSITED
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IN A PAY PHONE. COIN TONES ARE BEEPS OF 2200 HZ + 1700 HZ AS FOLLOWS:
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5 CENTS - 1 BEEP, 66 MILLISECONDS DURATION.
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10 CENTS - 2 BEEPS, EACH 66 MILLISECONDS DURATION WITH 66
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MILLISECOND PAUSE BETWEEN BEEPS.
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25 CENTS - 5 BEEPS, EACH 33 MILLISECONDS DURATION WITH A 33
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MILLISECOND PAUSE BETWEEN BEEPS.
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TWO METHODS HAVE COMMONLY BEEN USED BY PHONE PHREAKS TO PRODUCE THESE TONES
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AND MAKE FREE CALLS.
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1. THE TRADITIONAL RED BOX CONSISTING OF A PAIR OF WIEN-BRIDGE OSCILLATORS
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WITH THE TIMING CONTROLLED BY 555 TIMER CHIPS.
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2. PRODUCING THE SIGNALS WITH A COMPUTER WHICH ARE RECORDED AND THEN
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PLAYED BACK INTO THE MOUTH PIECE OF A PAY PHONE.
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A THIRD METHOD HAS RECENTLY APPEARED WHICH IS A REAL MIND BLOWER. A PHREAK
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IN THE MIDWEST HAS EXTENSIVELY TESTED A METHOD OF RED BOXING WHICH USES NOTHING
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MORE THAN A PAIR OF BRASS OR ALUMINUM WHISTLES. THE WHISTLES ARE 1/4 INCH IN
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DIAMETER BY 4 INCHES LONG AND ARE TUNED BY MEANS OF A WOODEN DOWEL ROD WHICH
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FITS SNUGLY INSIDE. THE WHISTLES CAN BE BROUGHT PRECISELY ON FREQUENCY BY
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TUNING THEM AGAINST A KNOWN SIGNAL SOURCE SUCH AS A COMPUTER CAPABLE OF
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PRODUCING THE TONES. ONCE TUNED, THE WHISTLES ARE GLUED OR TAPED TOGETHER SO
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THEY CAN BE BLOWN TOGETHER TO PRODUCE THE DUAL TONE USED IN COIN SIGNALING.
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IT HAS BEEN TESTED AND PROVEN THAT WITH A LITTLE PRACTICE THESE WHISTLES CAN BE
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USED TO MAKE FREE CALLS. NOW YOU CAN BLOW YOUR MONEY WITHOUT SPENDING A CENT.
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PLEASE NOTE THESE WHISTLES ARE AVAILABLE (FOR TEST PURPOSES ONLY) FROM
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P-80 $35 SEND ORDERS TO P-80 3310 5TH AVENUE CHARLESTON, WV. 25312
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CALL THE HOLOVISION NETWORK NODE #1 - (203) 274-1395
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HOLOVISION NOTE: JUST BUY YOURSELF A BOY SCOUT WHISTLE AND PLACE TAPE OVER
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A CERTAIN PART OF THE HOLE, AND YOU WILL HAVE A WORKING WHISTLE. YOU MAY
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HAVE TO TINKER WITH IT A BIT, BUT YOU WILL EVENTUALLY GET IT RIGHT AND YOU
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WONT HAVE TO SPEND $35 ON P-80'S WHISTLE.
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[C] VPL
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