 Detailed call processing proce- dures are specified for mobile stations to ensure a uniform response to all base stations. Base station procedures, which do not affect the mobile sta- tions' operation, are left to the designers of the overall land system. This approach to writing the compatibility specification is intended to provide the land system designer with sufficient flexibility to respond to local ser- vice needs and to account for local topography and propagation conditions. cdma2000 includes provisions for future service additions and expansion of system capabilities. The release of the cdma2000 family of standards sup- ports Spreading Rate 1 and Spreading Rate 3 operation. The future looks rather far off when we look at the changes and the slow evolution of the standards and the spectrum allocation. However, we are on the brink of the overall changes that will escalate at a rapid pace once the momentum gets started. The use of high-speed packet-switched data com- munications alongside of fast voice networks will likely be ours for the tak- ing soon. Good luck and have fun experimenting with the technologies and services. Downloaded from Digital Engineering Library @ McGraw-Hill (www.digitalengineeringlibrary.com) Copyright © 2004 The McGraw-Hill Companies. All rights reserved. Any use is subject to the Terms of Use as given at the website. The media's watching Vault! Here's a sampling of our coverage. "For those hoping to climb the ladder of success, [Vault's] insights are priceless." - Money magazine "The best place on the Web to prepare for a job search." - Fortune "[Vault guides] make for excellent starting points for job hunters and should be purchased by academic libraries for their career sections [and] university career centers." - Library Journal "The granddaddy of worker sites." - U.S. News & World Report "A killer app." - New York Times One of Forbes' 33 "Favorite Sites" - Forbes "To get the unvarnished scoop, check out Vault." - Smart Money Magazine "Vault has a wealth of information about 