Voice, Video and Data- Etwork

adVOICE, VIDEO, AND DATA NETWORK CONVERGENCE

VOICE, VIDEO, AND DATA NETWORK CONVERGENCE

ARCHITECTURE

AND

DESIGN, FROM VOIP

TO

WIRELESS

JUANITA ELLIS CHARLES PURSELL JOY RAHMAN

Amsterdam Boston London New York Oxford San Francisco Singapore Sydney Tokyo

Paris

San Diego

This book is printed on acid-free paper. Copyright 2003, Elsevier Science (USA). All rights reserved. No part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Permissions may be sought directly from Elsevier’s Science & Technology Rights Department in Oxford, UK: phone: (+44) 1865 843830, fax: (+44) 1865 853333, e-mail: permissions@elsevier.com.uk. You may also complete your request on-line via the Elsevier Science homepage (http://elsevier.com), by selecting “Customer Support” and then “Obtaining Permissions.” Explicit permission from Academic Press is not required to reproduce a maximum of two figures or tables from an Academic Press chapter in another scientific or research publication provided that the material has not been credited to another source and that full credit to the Academic Press chapter is given. Academic Press An imprint of Elsevier Science 525 B Street, Suite 1900, San Diego, California 92101-4495, USA http://www.academicpress.com Academic Press 84 Theobald’s Road, London WC1X 8RR, UK http://www.academicpress.com Library of Congress Cataloging-in-Publication Data Ellis, Juanita. Convergence of voice, video, and data networks / Juanita Ellis, Charles Pursell, Joy Rahman. p. cm. ISBN 0-12-236542-9 1. Convergence (Telecommunication) I. Pursell, Charles. II. Rahman, Joy. III. Title. TK5101.E48 2003 384.3¢3—dc21 International Standard Book Number: 0-12-236542-9 PRINTED IN THE UNITED STATES OF AMERICA 03 04 05 06 07 9 8 7 6 5 4 3 2 1 2003050271

To my dad, Charles...