Can you afford not to read this book ???.. Universal Mobile Telecommunications System (UMTS) offers a consistent set of services to mobile computer and phone users and a variety of different radio access technologies will coexist in the UMTS system? S core network? Describes the security solutions specified for UMTS Provides a comprehensive presentation of the UMTS security specifications and explains the role of security functions in a UMTS system Presents the UMTS security system in the totality of the theoretical background to discuss the design process of new security features included in Release 4 and 5 By providing an integrated treatment of security services provided by the UMTS system, this book will provide valuable information and have an instant attraction to planners, implementers constructers and UMTS networks, developers and analysts and security services-oriented applications using the UMTS communications network.