Nermeen Ismail provided a cover-to-cover review of the book, lending considerable expertise in video and voice over IP. Jesse Herrera also provided a full review, verifying all parts of the text in minute detail. The authors are particularly grateful to Stuart Taylor for providing a number of suggestions and comments on the introduction and architecture chapters; to Tripti Agarwal for taking time to review the section and provide her insight on CallManager signaling implementation details; to Judy Gulla for doing a thorough review of the SIP chapter and providing valuable comments; to William May for reviewing the media control chapter; and to Dan Wing, who was instrumental. | 111 111 CISCO. Voice and Video Conferencing Fundamentals ct copf Scott Firestone Thiya Ramalinoam Steve Fry Voice and Video Conferencing Fundamentals Scott Firestone Thiya Ramalingam and Steve Fry Cisco Press 800 East 96th Street Indianapolis IN 46240 USA ii Voice and Video Conferencing Fundamentals Scott Firestone Thiya Ramalingam and Steve Fry Copyright 2007 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 1 2 3 4 5 6 7 8 9 0 First Printing March 2007 ISBN-10 1-58705-268-7 ISBN-13 978-1-58705-268-2 Library of Congress Cataloging-in-Publication Data Firestone Scott. Voice and video conferencing fundamentals Scott Firestone Thiya Ramalingam and Steve Fry. -- 1st ed. p. cm. ISBN 978-1-58705-268-2 pbk. 1. Videoconferencing. 2. Internet telephony. I. Ramalingam Thiya. II. Fry Steve. III. Title. IV. Title Voice and videoconferencing fundamentals. 2007 2007003879 Warning and Disclaimer This book is designed to provide information about voice and video conferencing. Every effort has been made to make this book as complete and as accurate as possible but no warranty or fitness is implied. The information is provided on an as is basis. The authors Cisco Press and Cisco Systems Inc. shall have neither liability nor responsibility to any person or entity with respect to any loss or damages arising from the information contained in this book or from the use of the discs or programs that may accompany it. The opinions expressed in this book belong to the author and are not necessarily those of Cisco Systems Inc. Corporate and Government Sales Cisco .
