| 摘要 |
PURPOSE:To attain optional service in designating an optional time by registering service information designating a service start designation time and kinds of service or the like into a memory block. CONSTITUTION:Plural extensions 101-103 and an attendant board 104 are connected to a main channel 100 and a central controller 105 performs control such as mutual connection and absence transfer or the like. The central controller 105 registers the information such as kinds of service and service start time or the like requested by the designation from the extension or the like into a time limit service queue memory 107 and has a function executing the service registered in this memory at a designated time. A time limit service queue head position designation memory 108 stores the head position of serveice information stored in the memory 107, and a time limit service queue final position designation memory 109 stores the final position of service information storage of the memory 107. |
