Patent ID: 6807253
Filing Date: 2004-10-19
Classification: H04M

Abstract:
A switching apparatus for receiving a plurality of subscribers, and establishing a communication path between calling and called ones of the subscribers in accordance with a switching operation thereof, comprising:a cross switch internally provided with a caller identification (CID) processor adapted to identify a CID, the cross switch being connected with a plurality of subscriber terminals respectively associated with the subscribers while serving to establish a communication path between calling and called ones of the subscriber terminals in accordance with a switching operation thereof, a wiretap resource unit for establishing a communication path enabling a plurality of designated subscribers to communicate simultaneously; the subscriber terminals each connected to the cross switch, thereby communicating with the called subscriber terminal; an operating terminal unit connected between the cross switch and the wiretap resource unit, the operating terminal unit serving to set the communication path between the calling subscriber terminal and the called subscriber terminal to pass through a selected one of the cross switch and the wiretap resource unit, while serving to monitor and control the entire part of the switching apparatus that was used to pass through the selected one of the cross switch and the wiretap unit; a database for storing data on a third communication path allocated and designated for wiretapping of a content on conversation by telephone made in association with a malicious call; and a wiretap terminal connected to the wiretap resource unit and adapted to wiretap and record the content of conversation by telephone made in association with the malicious call.