The CD-ROM that accompanies this book contains the following information: Folder RFC This folder includes a number of Request For Comments (RFC) documents that relate to IP-based multimedia networks. These documents are published by various Working Groups of the Internet Engineering Task Force (IETF). In addition, there are four key documents in this subdirectory: • RFC-RETRIEVAL.TXT, the file ftp://ftp.isi.edu/in-notes/rfc-retrieval.txt, which provides instructions on ways to retrieve RFC documents from the Internet. (Also see Appendix F for details on this subject.) • RFC-INDEX.TXT, the file ftp://ftp.isi.edu/in-notes/rfc-index.txt, which is an index to the currently available RFCs. This file is updated periodically, and is also available from the RFC repository sites. • RFC1700.TXT, the Assigned Numbers document, ftp://ftp.isi.edu/in-notes/rfc1700.txt, which lists Internet-related Parameters. This file is also available from the other RFC repository sites. • RFC2200.TXT, the Internet Official Protocol Standards document, ftp://ftp.isi.edu/in-notes/rfc2200.txt. Each RFC document published at the present time carries the following notice: Copyright (c) The Internet Society (1999). All Rights Reserved. This document and translations of it may be copied and furnished to others, and derivative works that comment on or otherwise explain it or assist in its implementation may be prepared, copied, published and distributed, in whole or in part, without restriction of any kind, provided that above copyright notice and this paragraph are included on all such copies and derivative works. However, this document itself may not be modified in any way, such as by removing the copyright notice or references to the Internet Society or other Internet organizations, except as needed for the purpose of developing Internet standards in which case the procedures for copyrights defined in the Internet Standards process must be followed, or as required to translate it into languages other than English. The limited permissions granted above are perpetual and will not be revoked by the Internet Society or its successors or assigns. This document and the information contained herein is provided on an "AS IS" basis and THE INTERNET SOCIETY AND THE INTERNET ENGINEERING TASK FORCE DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTY THAT THE USE OF THE INFORMATION HEREIN WILL NOT INFRINGE ANY RIGHTS OR ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Folder eRing Voice over IP client software (Windows 95, 98, NT-compatible) from: eRing Solutions, Inc. 62 Somerville Westmount, Quebec CANADA H3Z 1J5 Tel: 514.481.8324 www.ering.net See the README file in this folder for more information. Folder MessageClick Fax over IP client software (Windows 95, 98, NT 4.0-compatible) from: MessageClick, Inc. 90 John Street, Suite 310 New York, NY 10038 Tel: 212.385.5351 www.messageclick.com See the README file in this folder for more information. Folder Westbay Traffic analysis software (Windows compatible) from: Westbay Engineers Ltd. 11 Langstone Close Crawley West Sussex RH10 7JR UNITED KINGDOM Tel: +44 1293 888500 www.erlang.com See the README file in this folder for more information.