CALL TRANSFER DEVICE, CALL TRANSFER METHOD, AND CALL TRANSFER PROGRAM IN PRIVATE BRANCH EXCHANGE

摘要

PROBLEM TO BE SOLVED: To enable a private branch exchange, while a personal portable terminal or a division representative telephone set belonging thereto has an incoming call, to be accessed by a key operation on a telephone set including some other portable terminal, thereby transferring a line having the incoming call to the telephone set including the other portable terminal to seize the call.;SOLUTION: In a call transfer device which includes a private branch exchange connected to a public telecommunication network and a plurality of telephone sets connected to the private branch exchange, when a telephone set which has no incoming call sends an inquiry command to a data transmit/receive control unit of the private branch exchange, the data transmit/receive control unit sends a line information list including at least the telephone number and a user name of a telephone set which has an incoming call to the telephone set which has no incoming call, and the telephone set selects a line which has any one of incoming calls from the received line information list and sends a line seizure command to the data transmit/receive control unit, so as to seize the line which has an incoming call.;COPYRIGHT: (C)2012,JPO&INPIT