Incoming call management priority method

Abstract

Abstract PURPOSE:To attain talking with a precedence over other subscribers by devising the system such that an incoming call is sent only to a specific number dial subscriber with priority by the dialing of a specific number. CONSTITUTION:An incoming information input means 111 to set incoming priority tentatively is provided to a pushbutton telephone set and also an incoming information management means 410 for the countermeasure with a pushbutton telephone line with incoming priority and a control means 411 to connect the pushbutton telephone set to an extension telephone set of an exchange are provided in the pushbutton telephone set 4. The control means 411 monitors the talking state of the extension telephone sets and detects it that the telephone set is idle from the busy state and sends a call signal only to the pushbutton telephone set having the incoming priority. Thus, the connection with a telephone set registered with an extension callback is ensured.

Inventors

• 👤 Yutaka Miyoshi
• 👤 豊 三好

Bibliographic Details