Patent ID: 8565768

Claim:
A method of using data stored in a user equipment (UE), the UE configured to communicate with a telecommunications network, the UE is configured to communicate in multiple radio access technologies (RATs), the stored data configured to be used in an inter-RAT handover event, the stored data configured in one or more blocks where each of the one or more of the blocks contains predefined UE configuration data and an identifier (ID), wherein the ID uniquely identifies each of the one or more of the blocks, the method within the UE comprising: in response to the UE receiving an Inter RAT Handover Info (IRHI) request message: determining for each of the one or more blocks when, at an initial time, the one or more blocks is valid; where the initial time is determined by the receipt of the IRHI request message; determining for each of the one or more blocks when, after the passage of a predetermined amount of time T from the initial time, the one or more blocks are still valid; transmitting a message to the telecommunications network, the message comprising an indication of each of the one or more of the blocks that it is determined will still be valid.