METHOD OF AND DEVICE FOR OPERATING A WIRELESS TELECOMMUNICATION TERMINAL IN A WIRELESS COMMUNICATION SYSTEM PROVIDING A NUMBER OF DISTINCT SERVICE LEVELS

摘要

A method of and a device for operating in a wireless telecommunication system wherein a user selects one or more services, provided by the wireless telecommunication system. The services are classified into a number of distinct service levels (#0, #1, #2) and wherein a subset of these service levels is assigned to a wireless telecommunication terminal. A user of the wireless telecommunication terminal is able to select and enable one or more of the assigned services levels (#0, #1, #2) according to an authentication procedure using predefined passwords for a certain service level (#0, #1, #2) or group of service levels (#0, #1, #2).