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Beginning of Paper
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Cellular Phreaking
The cellular/mobile phone system is one that is perfectly set up to be
exploited by phreaks with the proper knowledge and equipment. Thanks to
deregulation, the regional BOC's (Bell Operating Companies) are scattered and do
not communicate much with each other. Phreaks can take advantage of this by
pr ....
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Middle of Paper
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.... is turned off (or the car is), someone attempting to call the mobile phone
will receive a recording along the lines of "The mobile phone customer you have
dialed has left the vehicle or driven out of the service area." When a call is
made to a mobile phone, the switching equipment will check to see if the mobile
phone being called is "logged in", so to speak, or present in one of the cells.
If it is, the call will then act (to the speaking parties) just like a normal
call - the caller may hear a busy tone, the phone may just ring, or the call may
be answered.
How does the switch ....
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SUBJECTS
