| 摘要 |
PROBLEM TO BE SOLVED: To provide a customer management system by which a customer can be identified, even if the customer makes a call by using any telephone number in the case that one customer has plural telephone numbers. SOLUTION: This system consists of a telephone set that can receive a caller number notice, a telephone number database 40 that combines each customer with one or two telephone numbers or more A1, A2, A3,..., An possessed by the customer, an individual information database 30 that stores a specific individual information other than the telephone number, a 1st retrieval data fetch means 125 that receives a caller number, extracts a customer name and stores it, a 2nd retrieval data fetch means 129 that receives the customer name received by the 1st retrieval data fetch means, extracts the individual information of the customer from the individual information database 30 and stores it, and a display means 115 that displays data fetched by the 2nd retrieval data fetch means.
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