A Legal and Law Enforcement Guide to Telephony (2nd ed.)

The goal of this book is to provide legal and law enforcement practitioners with factual, informative, and easy-to-understand information about telephone company inner workings, their networks, and operation. The range of subjects includes local, long distance, and cellular services; private phone systems (PBX and KTS); E-911 systems; telephone fraud; pay phones; customer premises wiring; and new technologies including Voice over the Internet (VoIP). Telephone calls, like people, leave fingerpri