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个人计算机远程通信是各类信息系统,办公自动化和企业管理自动化的重要基础。利用电话网来开发计算机远程通信其意义十分重大。个人计算机远程电话通信是由个人计算机,通信软件包,调制解调器(modem)和现有的电话网所组成,如图所示。个人
Personal computer remote communication is an important foundation for all kinds of information systems, office automation and business management automation. The use of telephone networks to develop computer telecommunications is of great importance. Personal computer telephony communications consist of personal computers, communications software packages, modems, and existing telephony networks, as shown. personal