Telephone exchange system, communication apparatus, telephone incoming call method, and non-transitory computer readable medium storing program

摘要

A telephone incoming call control unit 21B of a communication apparatus B 20B counts the total number of incoming calls and the number of incoming calls for each communication type indicating the breakdown of incoming call operations, as incoming call history data 21B for each telephone terminal B 30B as a slave unit, retrieves the incoming call history data 21B upon arrival of an incoming call from a certain calling party for the telephone terminal B 30B, extracts incoming call history data on the calling party from which the telephone terminal has received the incoming call, transmits the data to the telephone terminal when the telephone terminal is in an idle state, and causes an indicator 31B of the telephone terminal to display the data. The telephone incoming call control unit 21B thereafter transmits the call signal to the telephone terminal.

主权项

1. A telephone exchange system comprising:
a communication apparatus that controls communication between telephone terminals each connected as a unit; and the telephone terminals, wherein the said communication apparatus includes incoming call history data storing the number of busy incoming calls indicating the number of denied incoming calls due to a busy state of the telephone terminal, for each of the telephone terminals, upon detecting an incoming call from a calling party to the telephone terminal, prior to an operation of transmitting an incoming call signal to the said telephone terminal, the said communication apparatus retrieves the incoming call history data on the said telephone terminal and extracts history data of the incoming calls from the said calling party to the said telephone terminal, and when the said telephone terminal is in an idle state, the said communication apparatus transmits the extracted history data of the said calling party to the said telephone terminal and transmits the incoming call signal to the said telephone terminal.