| 摘要 |
PROBLEM TO BE SOLVED: To prevent an unregistered user from accessing charged contents having been downloaded. SOLUTION: When an SIM is inserted, a table retrieval process is carried out (S405). Then a return value of the table retrieval process is confirmed (S407) and when the return value is NG, an error display process (S411) is entered. At this time, a display showing that the contents can not be accessed since the user is not registered for charged access is made in the error display process (S411) and access to the contents is stopped. COPYRIGHT: (C)2004,JPO
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