| 摘要 |
PURPOSE:To control the permission of incoming for a call from a specific person registered in advance and to control appropriately the incoming of the call from a person other than the above person, by providing the extraction means, storage means, comparison means, and control means of the feature data of a voice. CONSTITUTION:In a voice pattern storage part 13 in an incoming controller 3, the voice pattern of a caller which becomes the object of the permission of the incoming is registered in advance. Next, when the call is issued from an outgoing person, and a call signal is inputted via a central office line 8, connection guide announce is sent via a voice synthesis device 14, etc. And when the outgoing person issues response corresponding to the above announce, the voice pattern is extracted from the voice via a communication control part 9, a pre-processing part 10, a voice pattern extraction part 11. Next, a comparison and collation part 12 retrieves the storage part 13 based on voice pattern data supplied from the extraction part 11 in a real time. And it is detected whether the same voice pattern exists, and it is possible to control the permission of the incoming for the call from the specific person registered in advance and the call from the person other than the above person appropriately based a detected result.
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