| 摘要 |
<p>A server device (60) relates contract identification information to UIM identification information and stores both information sets, wherein the contract identification information uniquely identifies a subscription contract made by a subscriber who wants to receive a mobile packet communication service using a mobile packet communication network (40) with a communication carrier that provides the service and wherein the UIM identification information uniquely identifies a UIM (20) issued based on the subscription contract. The UIM (20) stores the UIM identification information. When the UIM identification information is sent from a mobile device (30) that obtains the UIM identification information from the UIM (20), the server device (60) sends back the contract identification information corresponding to the UIM identification information. The contract identification information, which is sent back in this way, is stored in the UIM (20). As a result, a communication device can correctly identify a subscriber who is going to use the communication determines.</p> |
