Abstract: The invention relates to a telecommunication system comprising subscribers, a subscriber network, terminals for connecting the subscribers with the subscriber network and a set of services comprising network-specific services and supplementary services provided by the network and supplementary services transmitted by the network. In order to provide the subscriber with subscriber-specific service profiles differing from one another, the system further comprises memory means (SPR) including at least for one network subscriber not less than two different subscriber-specific (51) service profiles (52) comprising services defined for the subscriber from the set of services. The invention further relates to a mobile station and a subscriber register which can be utilized in the telecommunication system. The invention also relates to a method that can be applied to the telecommunication system.

Abstract: A method and arrangement for controlling the local operation of a mobile station are characterized in that a mobile station specific group of special cells is formed from selected network cells. The information on a group of special cells is transmitted to the mobile station via a radio path and the operation of the mobile station is controlled on the basis of the group of special cells.