介绍了本地网电话接通率的概念 ,对交换设备、传输设备、局间中继电路、用户线路、用户终端设备、设备占用及电话普及情况、线路割接、工程改线、过忙用户、小总机、特种业务服务台等各种影响电话接通率的因素进行技术经济分析。根据分析结果 ,提出了一系列提高接通率的措施。 This paper introduces the concept of telephone connection rate in local area network. It introduces the concept of telephone connection rate in local area network, and analyzes the situation of switching equipment, transmission equipment, inter-office relay circuit, subscriber line, subscriber terminal equipment, equipment occupation and telephone popularity, Small switchboard, special service desk and other factors affecting the phone connection rate of technical and economic analysis. According to the analysis results, a series of measures to improve the connection rate are proposed.