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ISBN10: 0071429158 | ISBN13: 9780071429153

VoIP Service Quality, 1st Edition

ISBN10: 0071429158
ISBN13: 9780071429153
By William C. Hardy

© 2003 Published January 17, 2003

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VoIP (Voice over Internet Protocol), the next big advance in telecom, has proven difficult to implement. This resource gives service and enterprise telecom managers all the data they need on measurements, tools, and utilities to build a Voice over IP service that works as well as the telephone.


* Offers specific techniques for evaluating every factor that affects quality of service
* Written in an easy-to-understand "plain English" style
* Explains how to translate problems of quality into measurable cause and effect

Part 1: FOUNDATIONS

Chapter 1: Basics

Chapter 2: Principal System-Level Determinants of Connection Quality

Chapter 3: Quality Expectations and Requirements

Chapter 4: Impairments Created or Exacerbated by Packet Switching

Part 2: MEASUREMENT AND EVALUATION OF VOICE QUALITY

Chapter 5: Voice Quality

Chapter 6: Service Attribute Tests

Chapter 7: Measurement of Speech Distortion

Chapter 8: Multiple-Effects Models

Chapter 9: Applications

Part 3: OTHER ASPECTS OF QUALITY OF SERVICE

Chapter 10: Other Quality of Service Concerns

Chapter 11: Quality of Voice for Interactive Multimedia Exchange

Afterword

Appendix A: Types of Codecs

Appendix B: How a Jitter Buffer Works

Appendix C: Extensions of the Loss/Noise Grade ofService Model

Appendix D: U.S. Patents for Voice QualityMeasurement and Analysis Technology

References

Index

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