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本文介绍了对纵横制电话交换机实现分机权限控制和通话信息管理的、用微机和单片机组成的两级计算机系统,它的拓扑结构、硬软件平台及应用软件的总体设计思想。
This paper introduces a two-level computer system which is made up of microcomputer and single-chip computer to realize extension authority control and call information management of cross-telephone switch. Its topology, hardware and software platform and application software’s overall design idea are introduced.