Patent ID: 8184785

Claim:
An elevator monitoring system, comprising: an interphone base unit that communicates with a plurality of interphone handset units, each interphone handset unit included in an elevator from a plurality of elevators; and an operation monitoring device that receives operating condition data from a group management control device to control operations of the plurality of elevators, and causes a monitor to display operating conditions for each of the elevators, wherein the interphone base unit and the operation monitoring device communicate with each other, the operation monitoring device causes the monitor to simultaneously display, with the operating conditions for each of the elevators, communication states for each of the interphone handset units based on information on the communication states of the interphone handset units received from the interphone base unit, and display channel select information to select, by an input operation, one of the interphone handset units to communicate with, and the interphone base unit transmits the information on the communication states to the operation monitoring device, and switches between states of connection with the interphone handset units based on selected channel select information received from the operation monitoring device.