| 摘要 |
PROBLEM TO BE SOLVED: To avoid losing personal information management data such as a plurality of telephone numbers, etc., registered in a portable telephone in the event of loss/damage of the telephone. SOLUTION: Various personal management data such as a plurality of directories, telephone numbers, etc., under the control of a user are stored in memory means at a server 10 so that the management data can be transmitted in any time to a portable telephone 1 or 2 from the memory means at the server 10 with the portable telephone 1 or 2 being connected to the server over a communication circuit 3.
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