| 摘要 |
PROBLEM TO BE SOLVED: To provide a system to automatically back up registered information, with which personal information or the like registered in a portable telephone can be acquired by accessing to a backed-up database even when the portable telephone can not be used. SOLUTION: Information registered by the information registering operation of a portable telephone 11 having a communication function is automatically registered in a server, with which a database 12 is constructed, connected with the portable telephone 11 through the Internet 13 and the registered information is backed up. The backed-up registered information is fetched through the Internet 13 into the portable telephone 11 as needed. |
