Beschreibung:
This comprehensive reference provides a close-up look at this hot technology, offers in-depth discussions on the features and services available through GSM, and includes new and more in-depth coverage of the applications and implementation of the GSM standard. It uses non-technical language and unique technical implementation and performance figures to show how intelligent mobile networks function, and what benefits they provide to users.
The Changing Scene - Again. GSM 9000 and DCS 1800/1900 All Over the World - Today's Status - Competing Systems - A Look Over the Fence - GSM Telecommunications Services - Short Message Service - Supplementary Services - The SIM - New Phase 2+ Functionality - Roaming and Call Routing - Introduction to GSM Technology and Implementation.