The clear box is a new device which has just been invented that can be used throughout Canada and rural United States. The clear box works on "PostPay" payphones (fortress fones). Those are the payphones that don't require payment until after the connection is established. You pick up the fone, get a dial tone, dial your number, and then insert your money after the person answers.
If you don't deposit the money then you can not speak to the person on the other end because your mouth piece is cut off but not the ear-piece. (obviously these phones are nice for free calls to weather or time or other such recordings).
All you must do is to go to your nearby Radio Shack, or electronics store, and get a four-transistor amplifier and a telephone suction cup induction pick-up. The induction pick-up would be hooked up as it normally would to record a conversation, except that it would be plugged into the output of the amplifier and a microphone would be hooked to the input.
So when the party that is being called answers, the caller could speak through the little microphone instead. His voice then goes through the amplifier and out the induction coil, and into the back of the receiver where it would then be broadcast through the phone lines and the other party would be able to hear the caller.
The Clear Box thus 'clears up' the problem of not being heard. Luckily, the line will not be cut-off after a certain amount of time because it will wait forever for the coins to be put in.
The biggest advantage for all of us about this new clear box is the fact that this type of payphone will most likely become very common. Due to a few things: 1st, it is a cheap way of getting the DTF, dial-tone-first service, 2nd, it doesn't require any special equipment, (for the phone company) This payphone will work on any phone line. Usually a payphone line is different, but this is a regular phone line and it is set up so the phone does all the charging, not the company.