Patent ID: 8385889

Claim:
A radio communication system, the system including a subscriber information management apparatus, and a subscriber authentication module mounted in a mobile terminal connectable to a mobile communication network to which the subscriber information management apparatus is connected, wherein the subscriber authentication module mounted in the mobile terminal: determines whether connecting information is stored in a memory of the subscriber authentication module; generates temporary connecting information when it is determined that the connecting information is not stored in the memory; stores the temporary connecting information in the memory; and stores connecting information included in a response received from the mobile terminal, wherein the mobile terminal: reads, from the subscriber authentication module, the temporary connecting information; transmits, to the subscriber information management apparatus, connecting information including the temporary connecting information; receives a response to the transmitted temporary connecting information from the subscriber information management apparatus; and transmits, to the subscriber authentication module, the received response; wherein the subscriber information management apparatus: determines whether temporary connecting information is included in the connecting information based on the connecting information transmitted from the mobile terminal, and, if so, determines validity of the temporary connecting information by determining whether the temporary connecting information has already been delivered; selects connecting information to be set in the subscriber authentication module when it is determined that temporary connecting information is included and is valid; transmits, to the mobile terminal, a response including the selected connecting information; manages a delivery status of the temporary connecting information; and sets a status of the temporary connecting information as not delivered upon transmitting the response including the selected connecting information.