VoIP Service Quality: Measuring and Evaluating Packet-Switched Voice by William Hardy

VoIP Service Quality: Measuring and Evaluating Packet-Switched Voice



Download VoIP Service Quality: Measuring and Evaluating Packet-Switched Voice




VoIP Service Quality: Measuring and Evaluating Packet-Switched Voice William Hardy
Language: English
Page: 338
Format: pdf
ISBN: 0071410767, 9780071410762
Publisher: McGraw-Hill Professional

Offers specific techniques for evaluating every factor that affects quality of service. Explains how to translate problems of quality into measurable cause and effect. Softcover.

From the Back Cover

VoIP SAVINGS AND FLEXIBILITY! TELEPHONE-LINE QUALITY?

Despite the features that make Voice over IP so attractive from the standpoint of cost and flexibility of telephone services, businesses will only adopt it once they've determined whether, and under what circumstances, the quality of VoIP will be satisfactory to users. In these pages you'll find everything you need to know to answer those questions, both now and in the future as other packet-switched voice services emerge.

This in-the-trenches guide supplies you with all the tools you need for VoIP service quality analysis, including explicit directions for: * designing subjective tests and interpreting results * selecting, extending, and applying speech distortion and multiple effects models * examining call set-up times for IP telephony * determining requirements for multimedia exchanges.

Without hokum, hype, or obscure tech talk, Hardy delivers solid information on means of measuring, assessing, and improving VoIP quality. He gives you expert information and hands-on specifics, showing you: * The factors that can create a negative caller experience and how packet switching affects them * What to look for in assessing VoIP quality * How to elicit and interpret user evaluations of voice quality * How to estimate likely user perception of voice quality by objective test and analysis * When and how to apply alternative quality measurement techniques to overcome quality shortfalls.

Get wireline quality from VoIP service with clear guidance from a world-class expert in analysis of service quality.

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