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本文概述综合通信的基本概念、数字式专用小交换机的综合通信功能;探讨PBX在综合业务通信系统中的利用方式和接续方式;比较PBX和LAN的性能。最后阐述使用PBX构成综合业务通信网时应注意的事项
This article outlines the basic concept of integrated communications, digital private branch exchange comprehensive communications capabilities; explore the PBX in the integrated business communications system to use and continue the way; compare the performance of PBX and LAN. Finally, the use of PBX constitute an integrated business communications network should pay attention to matters