【摘要】 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更多还原

【Abstract】 In this paper, the basic concept of integrated communication and integrated communication function of digital PBX are described, in first. After that, the mode of utilization and 1 irk of PPX in integrated serices communication system are investigated,and then, the properties between PBX and LAN are comrared. Finally, a discussion of the attetion is given to the PBX’S about establishing an integrated services communication networks更多还原