VoIP Voice and Fax Signal Processing

by Sivannarayana Nagireddi (Ikanos Communications, USA )

• ISBN13: 9780470377864
• ISBN10: 0470377860
• Format: eBook
• Copyright: 2008-10-01
• Publisher: Wiley-Interscience

Summary

This book presents a consolidated view and basic approach to signal processing for VoIP voice and fax solutions. It provides readers with complete coverage of VoIP, from how things work in voice and fax modules, to signal processing aspects, implementation, and testing. Over 100 questions and answers are provided at the back of the book to reinforce the topics covered throughout the text. Additionally, several clarification, interpretation, and discussion sections are included in selected chapters to aide in readers' comprehension.

Table of Contents

Acknowledgments

About The Author

Preface

Glossary

PSTN Basic Infrastructure, Interfaces, and Signals

VoIP Overview and Infrastructure

Voice Compression

Generic VAD/CNG for Waveform Codecs

Packet Loss Concealment Techniques

ECHO Cancellation

DTMF Detection, Generation, and Rejection

Caller ID Features in VoIP

Wideband Voice Modules Operation

Packetization-RTP, RTCP, and Jitter Buffer

VoIP Voice-Network Bit Rate Calculations

Clock Sources for VoIP Applications

VoIP Voice Testing

Fax Operation on PSTN, Modulations, and Fax Messages

Fax Over IP and Modem Over IP

Fax Over IP Payload Formats and Bit Rate Calculations

Country Deviations of the PSTN Mapped to VoIP

Voice Packets Jitter with Large Data Packets

VoIP on Different Processors and Architectures

VoIP Voice Quality

VoIP Voice FAQs

Basic Fax and Fax Over IP FAQs

Index

Table of Contents provided by Publisher. All Rights Reserved.