| 摘要 |
PROBLEM TO BE SOLVED: To report required information only to the persons concerned by performing display at a dedicated display part for contacting the internal persons concerned present on a floor not overlapped with the calling number of a customer at the time of receiving signals from an input operation means. SOLUTION: When a floor person-in-charge calling key 18 which is the input operation means of one of plural window operation parts 12 is pressurized and person-in-charge contacting signals different from customer calling signals are outputted, the control part 15 of the same window operation part 12 displays dedicated display for contacting a floor person in charge not overlapped with the calling number of the customer with the possibility of being displayed at a display device 13 provided on the same window instead of the calling number and makes a calling sound generator 14 attached to the display device 13 generate calling sound dedicated to contact the floor person in charge different from the calling sound dedicated to call the customer. Thus, the required information is reported only to the persons concerned without disturbing the customer. |
