| 摘要 |
PURPOSE:To facilitate emergency liaison by switching a telephone set from a telephone line to an automatic liaison device, setting the required plural telephone numbers inside the device, and storing the message which is set beforehand. CONSTITUTION:A telephone line 4 is switched from a telephone set 1 to an automatic liaison device 5 through a line switch 6 by the switching operation. Next, when any (more than one is allowed) of switches SWs 7a-7n, which corresponds to the required number provided beforehand in a number setting device 7 is pressed down, a number signal is generated 8, and the required number is continued to call through an exchange device 9. When the opposite responses, switches SWs 10a-10n, which correspond to the message stored in a storage device 10, are pressed down, a voice signal is generated, and the message is notified to the opposite through the exchange device 9. Thus, emergency liaison items can be transmitted easily to the opposite speedy. |
