TELEPHONE DIRECTORY INFORMATION SYNCHRONIZATION SYSTEM, SMART PHONE TELEPHONE DIRECTORY SERVER DEVICE, FEATURE PHONE TELEPHONE DIRECTORY SERVER DEVICE, SUBSCRIBER INFORMATION MANAGEMENT SERVER DEVICE, AND TELEPHONE DIRECTORY SYNCHRONIZATION METHOD

摘要

PROBLEM TO BE SOLVED: To allow for a feature phone to have its contact addresses of other users automatically updated while the user is not concerned about it, in the same way as for a smart phone.

SOLUTION: A synchronization process is executed, in which the content of a telephone directory held in a smart phone telephone directory information retention part and the content of feature phone telephone directory information of a feature phone with the same name as the smart phone are made the same. Then another synchronization process is executed, in which the feature phone telephone directory information which has thus been synchronized and the content of a telephone directory held in the feature phone are made the same. In this way, the feature phone will have its contact addresses of other users automatically updated while the user is not concerned about it, in the same way as for the smart phone, whereby the convenience of call services for the user can be improved.

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