91 lines
2.6 KiB
Plaintext
91 lines
2.6 KiB
Plaintext
Red Boxing With Whistles
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by THE RESEARCHER
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This article is presented as a news
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item only. It is not to be taken as an
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encouragement to make fraudulent
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telephone calls.
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Red boxing consists of simulating the
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tones produced when coins are deposited
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in a pay phone. Coin tones are beeps of
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2200 Hz + 1700 Hz as follows:
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5 cents - 1 beep, 66 milliseconds
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duration.
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10 cents - 2 beeps, each 66
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milliseconds duration with 66
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millisecond pause between beeps.
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25 cents - 5 beeps, each 33
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milliseconds duration with a 33
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millisecond pause between beeps.
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Two methods have commonly been used by
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phone phreaks to produce these tones
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and make free calls.
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1. The traditional Red Box consisting
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of a pair of Wien-bridge oscillators
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with the timing controlled by 555 timer
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chips.
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2. Producing the signals with a
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computer which are recorded and then
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played back into the mouth piece of a
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pay phone.
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A third method has recently appeared
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which is a real mind blower. A phreak
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in the Midwest has extensively tested a
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method of red boxing which uses nothing
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more than a pair of brass or aluminum
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whistles. The whistles are 1/4 inch in
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diameter by 4 inches long and are tuned
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by means of a wooden dowel rod which
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fits snugly inside. The whistles can be
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brought precisely on frequency by
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tuning them against a known signal
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source such as a computer capable of
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producing the tones. Once tuned, the
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whistles are glued or taped together so
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they can be blown together to produce
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the dual tone used in coin signaling.
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It has been tested and proven that with
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a little practice these whistles can be
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used to make free calls. Now you can
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blow your money without spending a
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cent.
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Please note these whistles are
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available (for test purposes only) from
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P-80 $35 send orders to P-80 3310 5th
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Avenue Charleston, WV. 25312
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About :COMPUTERWORLD AD. From :MARK
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HAMILL To :ALL Date :10/15/84
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(NOTE, THIS IS A REAL AD. TRY IT!) FROM
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A COMPUTERWORLD AD:
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DEAR HACKERS:
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...WE AT MICROFRAME HAVE DEVELOPED A
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DEVICE TO KEEP YOU OUT
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...CALLED DATA LOCK AND KEY...OUR OWN
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COMPUTER IS PROTECTED BY A DATA LOCK.
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WE INVITE YOU TO DIAL IN (xxx-xxx-xxxx).
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YOU WILL BE ANSWERED
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BY A 1200 BAUD MODEM. THE DATA WE
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GATHER FROM YOUR EFFORTS
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WILL HELP US...FOR CLUES CALL OUR VOICE
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LINE (xxx-xxx-xxxx)
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AND ASK FOR DATA SECURITY.
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(MICROFRAME, 205 LIVINGSTON AVE., NEW
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BRUNSWICK, NJ 08901) CAN YOU BEAT
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THAT!?!?!?!?!?!?!?!?! A COMPANY ASKING
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FOR US TO TRY AND BREAK IN? WELL, FOR
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ALL YOU PEOPLE WITH 1200 BAUD MODEMS
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'GO FOR IT' THIS HAS BEEN A PUBLIC
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SERVICE POSTING BY MARK HAMILL.
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