Patent ID: 6898429

Claim:
A method for allocating a temporary mobile station identifier for a mobile station in a cellular telecommunications network including a core network and a third generation radio access network with a plurality of radio network controllers, said mobile station having at least the following states: a first state, where a mobile station listens to paging channel; a second state, where a mobile station monitors forward access channel; and a third state, where a dedicated transport channel is allocated to a mobile station, wherein the method comprises steps, checking, by the network, if a state change to the second state is needed for a mobile station, allocating, by a controlling radio network controller of the plural radio network controllers in the third generation radio access network, a temporary mobile station identifier unique within a cell of the third generation radio access network for the mobile station if the network determines that a state change to the second state is needed, and indicating the temporary mobile station identifier to the mobile station.