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    • 7. 发明授权
    • Communication system having a first and second communication procedures
    • 具有第一和第二通信程序的通信系统
    • US5001744A
    • 1991-03-19
    • US277568
    • 1988-11-29
    • Tsutomu NishinoOsamu HirataShoji SuzukiMasaki HaraShinji TsuchidaMinoru Ogata
    • Tsutomu NishinoOsamu HirataShoji SuzukiMasaki HaraShinji TsuchidaMinoru Ogata
    • H04M11/06H04M11/00
    • H04M11/06Y10S379/902
    • Disclosed is a communication system which accommodates at least one central office network line and a plurality of extensions, and which is adapted to control line connection between the central office network line and the plurality of extensions. When a call from the central office network line is detected, it is determined in response to the call whether a control signal characteristic of data communication, such as a CST signal, is being sent by the other party's device. If such a control signal is being sent, a line to which a data processor is connected is selected and connected to the calling line. This makes it possible to connect an information processor and a telephone to a common central office network line, and to connect a call answered by another telephone to a desired information processor rapidly through a simple operation. Accordingly, it is unnecessary to assign a special-purpose central office network line to an information processor. When the information processor is not in use, therefore, another telephone may employ the same line. This improves the efficiency of line utilization.
    • 公开了一种通信系统,其容纳至少一个中心局网络线路和多个分机,并且其适于控制中心局网络线路与多个分机之间的线路连接。 当检测到来自中心局网络线路的呼叫时,响应于该呼叫确定对方的设备是否正在发送诸如CST信号的数据通信的控制信号特性。 如果正在发送这样的控制信号,则选择连接数据处理器的线并将其连接到呼叫线路。 这使得可以将信息处理器和电话连接到公共中心局网络线路,并且通过简单的操作将由另一个电话应答的呼叫快速连接到期望的信息处理器。 因此,不需要将专用中心局网线分配给信息处理器。 因此,当信息处理器不使用时,另一个电话机可以使用相同的线路。 这提高了线路利用效率。