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Cellular Phreaking

Beginning of essay

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 ....

Middle of essay

....bile 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 switching equipment know whether or not a....
Number of words: 886 Approximate pages: 4

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