Publications

Telephone calls, like people, leave fingerprints known as call
records for virtually every call that passes through the telephone
network. These fingerprints are useful in reconstructing events and
tracking the movement of individuals. Unlike investigations where
trained law enforcement specialists look for and gather evidence,
law enforcement agencies are dependent on telephone company
personnel to look for and gather call records. Armed with the
knowledge presented in A Legal and Law Enforcement Guide to
Telephony, investigators will be prepared to probe the inner
workings of telephone companies guiding the search for evidence.
Internet Telephony a Legal and Law Enforcement Guide
provides information about Voice Over Internet Protocol (VoIP)
telecommunications that has become available since A Legal and
Law Enforcement Guide to Telephony was published.
Call Record Analysis - A Legal and Law Enforcement Guide
The analysis of call records can be daunting as there are many types of
call records; some simple and straight forward, others technical and
complex.
This book looks at identifying where to look for call records, and
describes the data fields for various types of call records.
A Legal and Law Enforcement Guide to Telephony
Contents
1. The Telco and the Law
2. Fraud and Nuisance Calls
3. Call Records: Fingerprints in the Network
4. The Switched Telephone Network
5. Voice over the Internet
6. Competition in the Local Telephone Industry
7. Cellular, PCS, and Satellite Telephone Services
8. Anatomy of a Telephone Number
9. Customer Premises Equipment
10. Inside Wire, Cable, and Jacks
11. Emergency 911 Call Processing
12. Pay Phones
Published in 2005 by Charles C Thomas - Publisher, Ltd
www.ccthomas.com
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Internet Telephony a Legal and Law Enforcement Guide
Contents
1. Internet Telephony
2. Softphone Calling
3. Analog Phones and IP Telephony
4. IP Phones
5. Wireless Internet Telephony
6. Peering Between VoIP Service Providers
7. How Legacy Telephone Companies Use VoIP
8. Communications Assistance for Law Enforcement Act (CALEA)
9. Law Enforcement Concerns
Published 2010 as e-book
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Call Record Analysis - A Legal and Law Enforcement Guide
Every time a telephone call is made electronic fingerprints remain scattered
throughout the telephone network. Knowing how to locate, identify and gather this
high-tech evidence can aid in reconstructing events and track user movement.
Law Enforcement investigators and analysts know telephone companies can
provide call records and/or invoices for long-distance calls placed from a subscriber
(suspect) line. What they may not be aware of, are the many other types of call
records available, where they are, and what to request when preparing a subpoena
or court order.
The analysis of call records can be daunting as there are many types of call records;
some simple and straight forward, others technical and complex.
This book looks at identifying where to look for call records, and describes the data
fields for various types of call records.
Published 2012 as an e-book
Ordering Information
A Legal and Law Enforcement Guide to Telephony is
available in hardback and paperback from Amazon.com and most
other book stores will order it for you. You can also order direct
from the publisher at www.ccthomas.com
Internet Telephony A Legal and Law Enforcement Guide and
Call Record Analysis - A Legal and Law Enforcement Guide
are e-books, available at Amazon.com and Barnes & Noble's
e-book web sites.
Copyright (c) 2012 by George Molczan, All rights reserved
Legal and Law Enforcement Telecom Information
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