TAILIEUCHUNG - Mobile Application Development with SMS and the SIM Toolkit

In Internet computing you only have to be concerned with the outermost envelope. You use your e-mail program to create an envelope around some text, write sguthery@ on the outside, and hit SEND. Even though you may be subconsciously aware that this envelope gets put into another envelope and that into another envelope, you certainly don’t worry about the details of those other envelopes. Somehow all those envelopes get your message to sguthery’s mail box at . At the far end I click on your envelope and my e-mail program opens it up and displays your message. I didn’t worry about all the envelopes any more than you did | Mobile Application Development with SMS and the SIM Toolkit Scott B. Guthery Mary J. Cronin McGraw-Hill New York Chicago San Francisco Lisbon London Madrid Mexico City Milan New Delhi San Juan Seoul Singapore Sydney Toronto McGraw-Hill gg A Division of The McGraw-Hitt Companies Copyright 2002 by McGraw-Hill Companies Inc. All rights reserved. Printed in the United States of America. Except as permitted under the United States Copyright Act of 1976 no part of this publication may be reproduced or distributed in any form or by any means or stored in a data base or retrieval system without the prior written permission of the publisher. 1 2 3 4 5 6 7 8 9 0 DOC DOC 0 9 8 7 6 5 4 3 2 1 ISBN 0-07-137540-6 The sponsoring editor for this book was Marjorie Spencer the editing supervisor was Steven Melvin and the production supervisor was Sherri Souffrance. It was set in Vendome by Patricia Wallenburg. Printed and bound by R. R. Donnelley Sons Company. McGraw-Hill books are available at special quantity discounts to use as premiums and sales promotions or for use in corporate training programs. For more information please write to the Director of Special Sales Professional Publishing McGraw-Hill Two Penn Plaza New York NY 10121-2298. Or contact your local bookstore. Throughout this book trademarked names are used. Rather than put a trademark symbol after every occurrence of a trademarked name we use names in an editorial fashion only and to the benefit of the trademark owner with no intention of infringement of the trademark. Where such designations appear in this book they have been printed with initial caps. The 3GPP TS Third Generation Mobile System Release 1999 is the property of ARIB CWTS ETSI T1 TTA andTTC who jointly own the copyright in it. It is subject to furthermodifications and is therefore provided to you as is forinformation purpose only. Further use is strictly prohibited. Information contained in this book has been obtained by The McGraw-Hill .