| 摘要 |
PROBLEM TO BE SOLVED: To provide a telephone directory information revising device that utilizes backup data of a data center baking up telephone directory information of portable telephones so as to mutually attain jobs attended with revision of the telephone numbers. SOLUTION: A revising person telephone directory information retrieval means 11 receives a telephone number revision notice instruction to acquire telephone directory information of revising people from backup data 1, a registration person information extract means 12 extracts information of a registration party that makes registration to a telephone directory, a registration party telephone directory information retrieval means 13 acquires telephone directory information of the registration party from the backup data 1, a telephone number revision object extract means 14 extracts the registration party whose revision is registered in the telephone directory information, a telephone number revision means 16 rewrites a telephone number of the revision person in the telephone directory information of the registration party and a revision notice means 17 transmits a mail denoting a telephone number revision notice to the registration party.
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