The digital mobile network is a technical masterpiece and one of the first European applications of intelligent networks. This technology has significant innovative power and is a guiding force for further developments beyond the year 2000. At the time of the publication of Jacek Biala's work, the development work of the first phase of the pan-European mobile communication system has been completed. The underlying documents (GSM and CCITT recommendations) and a number of other important aspects are made accessible to the reader through this book. It is one of the first books on digital mobile telecommunications and intelligent networks in the German-speaking world.