| 摘要 |
This invention is to provide a technology for preventing information from being leaked from a mobile phone. For this purpose, this invention includes: receiving a request for data to select a calling destination from a first mobile phone capable of executing voice communication and data communication; identifying calling destination candidates registered in a data storage in association with a user of the first mobile phone by identification information other than telephone numbers of the calling destination candidates; and transmitting data to specify and select anyone of the identified calling destination candidates by the identification information other than the telephone numbers of the calling destination candidates, to the first mobile phone. Because the telephone number of the client is not sent to the mobile phone, the leakage of the client information is prevented, even if the mobile phone is stolen.
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