| 摘要 |
PURPOSE:To eliminate the labor for the special number operation of an extension and to surely change a reception destination by discriminating the day and the night of an incoming tenant at every number unit fed from a remote station, converting into another numbers respectively corresponding to preset incoming numbers and connecting it. CONSTITUTION:The incoming of a call is present in a trunk, the number from the remote station is sent and a numerical character is completely received, then, a tenant day/night information memory is referred initially, and the day and the night of the incoming tenant are discriminated. If the incoming tenant is in the daytime, from the pointer of the daytime, and if it is at night, from the pointer of the night, an incoming number converting memory is sequentially developed in the route of the reception trunk, initially. Then, based on the read number, an exchange processing is progressed. For instance when the dial number of the number of 2,000 is sent as an extension number from the remote station, the connection is performed to the extension STN-A of the number of 2,000 in the daytime and to the extension STN-B of the number of 2,500 at night.
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