IP Telephony Unveiled

IP TELEPHONY UNVEILED

Kevin Brown

Cisco Press

800 East 96th Street

Indianapolis, Indiana 46240 USA

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IP Telephony Unveiled

Kevin Brown

Copyright© 2004 Cisco Systems, Inc.

Published by:

Cisco Press

800 East 96th Street

Indianapolis, IN 46240 USA

All rights reserved. No part of this book may be reproduced or transmitted in any form or by any means, electronic

or mechanical, including photocopying, recording, or by any information storage and retrieval system, without

written permission from the publisher, except for the inclusion of brief quotations in a review.

Printed in the United States of America 6 7 8 9 10 11 12

Sixth Printing August 2005

Library of Congress Cataloging-in-Publication Number: 2002114471

ISBN: 1-58720-075-9

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This book is designed to provide information about IP telephony. Every effort has been made to make

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Publisher John Wait

Editor-in-Chief John Kane

Cisco Representative Anthony Wolfenden

Cisco Press Program Manager Nannette M. Noble

Production Manager Patrick Kanouse

Development Editor Jennifer Foster

Senior Project Editor Sheri Cain

Copy Editor Marianne Madeiros

Technical Editors Mark Gallo, David Lovell, Anne Smith

Editorial Assistant Tammi Barnett

Cover and Book Designer Louisa Adair

Composition Mark Shirar

Indexer Tim Wright

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About the Author

Kevin Brown is the president and CEO of IPCELERATE, Inc., a software developer

of convergence applications. Prior to IPCELERATE, Kevin was VP for the Convergence

Development Group at Norstan. Kevin has more than 25 years of experience in the voice

and data telecommunications industry, including positions held with ROLM, VMX, and

Intecom between 1985[nd]1995. Kevin was VP sales and marketing for Selsius Systems in

the late 1990s and worked in the voice business unit for Cisco Systems after its acquisition

of Selsius Systems in 1998.

Kevin works on two nonprofit foundations: as a cofounder of the First Things

Foundation, a Dallas-based foundation that helps single mothers and their children; and as

an advisor for the Ivan and Sam Foundation in Georgia, focusing on helping victims and

families touched by pediatric cancer. He speaks at numerous industry and company events

and lives in Texas with his wife, Georgina, and their six children.