Beyond VoIP Protocols: Understanding Voice Technology and Networking Techniques for IP Telephony

Beyond VoIP Protocols: Understanding Voice Technology and Networking Techniques for IP Telephony

Olivier Hersent, Jean-Pierre Petit, David Gurle
Beyond VoIP Protocols: Understanding Voice Technology and Networking Techniques for IP Telephony

Chapter 3: Chapter 3: Voice Quality
Author: Olivier Hersent, Jean-Pierre Petit, David Gurle

This book offers a comprehensive overview of the issues to solve in order to deploy global revenue-generating effective "multimedia" services. Drawing on extensive research and practical deployment experience in VoIP, the authors provide essential advice for those seeking to design and implement a post-bubble VoIP network. This book introduces the basics of speech coding and voice quality and demonstrates how quality of service may be built into the network and deals with dimensioning aspects. It also explores the potential of multicast to turn an IP backbone into an optimized broadcast medium.

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Click here to view Chapter 3: Voice Quality
Chapter three, 'Voice Quality', introduces common voice quality issues and explains how to troubleshoot issues related to echo and delay. This well- illustrated chapter also presents an in-depth list of VoIP standards
About the Publisher

This excerpt from the book, Beyond VoIP Protocols: Understanding Voice Technology ,' ISBN 0470023627, Copyright 2005 is reproduced by permission of John Wiley & Sons Inc., 111 River Street, Hoboken, NJ 07030-5774. Written permission from is required John Wiley & Sons Inc. for all other uses. Click here for a detailed description or to purchase this title directly from Wiley at a 15% discount. Discount to calculate upon checkout when visiting from TechTarget. Please use code 'aff15' if discount does not calculate automatically.)


This was first published in March 2005

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