44 lines
2.3 KiB
Plaintext
44 lines
2.3 KiB
Plaintext
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CLEAR BOXING
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The idea for the Clear box comes from an article in the newsletter 2600.
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The clear box works on 'post pay' coin phones, pay phones that require money
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only after the connection has been made. The way this works is: After the
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connection is made the mouthpiece of the phone is muted but not the earpiece,
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free calls to dial-it services can be made with these phones.
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In order to talk to the person you called without paying (NOTE: It is
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against the law to do this!!) Take yourself down to your nearby electronics
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store and get a four transistor amplifier and a telephone suction cup inductive
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pick-up. Put the pick-up on the earpiece and plug it into the output of the
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amplifier, and plug a microphone into the input. You then talk into your
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microphone and listen normally through the earpiece.
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Radio Shack sells an item that wont need much modification,and that
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should work the same as the above construction. It is their 'Portable snap-on
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handset amplifier' (Part # 43-238) Their description says to put it on the
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earpiece and it will boost the callers voice to five times the normal level.
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In order to make this function like a clear box one would have to take the
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amplifier apart and remove the internal speaker, in it's place, connect the
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suction cup inductive pickup. Place the pick-up (which is now the speaker)
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to the earpiece of the payphone, and talk into the microphone of the amplifer.
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The line will not cut off, and will wait forever for you to put the coins in.
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Note also that these types of payphones are not connected to the TSPS in
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the same way as normal payphones. The phone does all the charging and not
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the Central Office. It is because of this, that a phone connected to the
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lines BEFORE the payphone would act just like a normal phone. So get out
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your smallest phone, cut off the jack and strip the wires. connect the wires to
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two alligator clips. Then you can clip onto the payphone's wires BEFORE they
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connect to the payphone, you then have a normal telephone line that you dont
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pay the bills on!
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The Lunatic Phringe BBS
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312-965-3677 3/12/24 x100 Baud
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