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1 of 3 people found the following review helpful:
5.0 out of 5 stars IP Telephony in detail, January 14, 2008
This review is from: Introduction to IP Telephony: Why and How Companies are Upgrading Private Telephone Systems to use VoIP Services, Second Edition (Paperback)
Everything you want to know about IP Telephony. This is a thorough book with in depth detail on various areas of IP Telephony. From the market presence to system operations, this book is everything you've ever wanted to know about IP Telephony. A definite good read.
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