| 摘要 |
PURPOSE:To allow a specific subscriber to belong to different group depending on day and night by providing a day and a night memory to a call pickup group registration memory and constituting one and the same subscriber so as to belong to different groups depending on the day and night. CONSTITUTION:Subscribers A, B... constitute a call pickup group (a) and the subscriber information of the said group is registered in a DAY memory. In the daytime system, the subscriber A is connected to a call signal RGT via a channel switch SW and in the call state comprising reservation connection from an external trunk TBT or the subscriber C. In this case, the subscriber B makes call pickup special dial to the incoming call to the subscriber A to make communication with the subscriber C. The subscribers A, D... constitute the call pickup group (b) and the subscriber information of the group is registered in a NIGHT memory. Thus, in the night system, the incoming call to the subscriber A is subjected to call pickup by the subscriber D.
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