一种数字程控交换实验系统的实现与分析

The Realization and Analysis of Digital Program Control Exchange Experimental System

介绍一种数字程控交换实验系统的组成和原理 ,以及系统硬件和软件的实现 .以双音多频(DTMF)实验为例 ,根据相关函数编写了功能程序模块 ,并与主程序连接 ,进行编译和运行 。

This paper introduces the component and principle of Digital Program Control Exchange Experimental System,as well as the realization of the hardware and software.This paper also an example of the DTMF experiment,programmes according to the related function , translates and edits and links to the main program to verify the result.