| 摘要 |
PROBLEM TO BE SOLVED: To provide a call analysis device, a call analysis method, and a call analysis program for improving the detection accuracy of a fraud call.SOLUTION: A call analysis device 10 stores first voice data as a voice of a person who belongs to a first group, and stores second voice data as a voice of a person who does not belong to the first group, and belongs to a second group, and acquires voice data during a call from a telephone terminal, and collates the acquired voice data during a call with the first voice data, and collates the voice data during a call with the second voice data, and determines whether or not an opposite party during a call belongs to the first group.SELECTED DRAWING: Figure 2 |
