The sizzling core of coming 3G wireless services, cdma2000 is the no-longer-missing link to internetworking with the PSTN, the Internet, and LANs at warp speed. Now, international networking expert and best-selling author R. J. "Bud" Bates brings you the only guide to cdma2000 that dissects the technology, exposing all its layers, and, even more critically, lays out tested methodologies for painless migrations from original CDMA or overlaid GSM networks.