| 摘要 |
PURPOSE:To reduce the number of function buttons by providing plural contents of control to one function button used for telephone exchange control. CONSTITUTION:A terminal equipment TE is connected to a service device B via a telephone exchange A. The equipment TE consists of a handset HS, keyboard FB, pushbutton dial PB, voice line L and a signal line S. A function button control content definition table is set to a main storate device MM of the exchange A. When one of the function buttons is depressed in the equipment TE, the exchange A reads the control contents by a subscriber number of the equipment TE for performing the corresponding control. |
