| 摘要 |
PURPOSE:To attain immediately response delay display to the incoming call to a main wire to an basent tennant by displaying a time until response delay display to the main wire incoming call. CONSTITUTION:Main wires l1, l2 and telephone sets of tennants TN1, TN2 are connected to a network NW. An information receiving and distributing device SRD controls the network NW and a main wire trunk COT via a channel drive SC and a trunk scanner SCN. The scheduled time with response delay display is stored in a main memory MM and when a main wire incoming call exists, the schedule time is fetched in a counter from the main memory to start counting and the lamp of a main wire lamp box is lighted by timeout. |
