private automatic branch exchange

Digital electronic private automatic branch exchange

数字专用式电子自动交换分机

Study of Speech Recognition System Based on Private Automatic Branch Exchange

基于电话用户交换机的语音识别系统研究

In the maintenance of Private Automatic Branch Exchange ( PABX ) , the problem of power supply quality is often neglected.

在程控用户交换机维护中, 电源质量的问题较容易被忽视.

The communication system is composed by fiber, exchanger and way-side telephone. Development of the circuit providing timing and synchronization signals for private automatic branch exchange

通信系统主要由光纤数字传输系统、数字程控用户交换机系统和路侧紧急电话系统三部分组成。数字程控用户交换机时钟与同步系统电路设计

Adds a public or private automatic branch exchange, either digital or analog, to your network diagram.

在网络中添加数字（或模拟）的公用（或专用）自动交换分机。

In the maintenance of Private Automatic Branch Exchange ( PABX), the problem of power supply quality is often neglected.

在程控用户交换机维护中，电源质量的问题较容易被忽视。