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Voice Over Packet Networks

Voice Over Packet Networks

David J. Wright

ISBN: 978-0-471-49516-1

Mar 2001

270 pages

Select type: Hardcover


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One of the hottest topics in the telecommuncations industry today is the migration of voice traffic from the circuit switched Telco networks to packet switched networks such as IP, ATM, Frame Relay and access technologies such as DSL (Digital Subscriber Line) and Packet Cable. The sheer volume of voice traffic, together with the efficiencies of packet transport and the opportunity to offer new features on voice calls, has made internetworking, between circuit and packet transport, vital while this migration is in progress.

Presents a concise treatment of a complex subject providing up-to-date coverage of all relevant packet voice technologies and an evaluation of how they compare
Explains how and why to transport voice over packet networks
Includes MEGACO: Media Gateway Control
Protocol, Voice over Packet Cable and Voice over DSL
Enables the reader to obtain information rapidly by featuring numerous bulleted lists and extensive diagrams

Voice over Packet Networks is comprehensive and compact and will be welcomed by both engineers and planners in the telecommunications industry, as well as graduate and senior undergraduate students on telecommunication courses.

Preface xiii

Introduction xv

Part I Voice Packetization 1

Chapter 1 Business Drivers for Packet Voice 3

Chapter 2 Quality of Service 15

Chapter 3 Distributed Network Architecture 43

Part 2 Packet Transport Technologies 67

Chapter 4 Voice Over the Internet Protocol 69

Chapter 5 Voice Over ATM 113

Chapter 6 Voice Over Frame Relay 155

Chapter 7 Comparison Among Alternative Transport Technologies 179

Part 3 Broadband  Access and Network Evolution 187

Chapter 8 Voice Over Cable 189

Chapter 9 Voice Over DSL 203

Chapter 10 Network Evolution 217

Epilogue 231

Acronyms and Abbreviations 233

Standards Bibliography 239

Index 245