private branch exchange

private branch exchange

美 　英

• un.专用电话小交换机；专用交换分局
• 网络专用小交换机；专用分组交换机；用户电话交换机

英汉解释

un.	1. 专用电话小交换机 2. 专用交换分局

例句

If not, the call went to the company's in-house telephone switching system, or PBX (private branch exchange).

如果没有，电话就转到公司内的电话交换系统（即PBX，用户电话交换机）。

PBX (Private Branch eXchange): A telephone switch located in a business or home.

（程控交换机）：家用或商用电话交换机。

The call is transferred to the Private Branch eXchange (PBX) and then to the Unified Messaging server .

呼叫将转移到专用交换机（PBX），然后转移到统一消息服务器。

A Contrastive Analysis of Central Exchange and Private Branch Exchange

虚拟交换机与传统用户小交换机之对比分析

EPBX Electronic Private Branch Exchange

电子私用分支交换机，专用电子小交换机