Therefore, there needs to be a compression taking place to compact the voice data into a considerable size before it gets transmitted over a packet switching network.
我们必需有发生，以紧凑的声音压缩成一个具有相当规模的数据，然后吃了分组交换传输网络。
A a device that handles the switching of voice and data in a local area network.
的装置把手开关的语音和数据，在局部区域网络。
This paper reports a multi-feature stored program controlled (SPC) switching system which has voice and data exchange feature and multi-interface.
本文介绍一种具有话音和数据交换功能且具有多种用户接口的多功能交换系统。
The author describes the principles for transmitting and switching call signals and voice signals, proposes block diagrams.
文中叙述了呼叫信号和语言信号的传送与交换的工作原理，并提出了方框图。
A distributed multiple access protocol, which is based on spread spectrum code switching technique, for the integrated voice and data in packet radio networks is proposed.
本文提出了一种以扩频多址为基础的在信包无线网中实现话音和数据综合服务的分布式多址协议。
The transmission method of ATM belongs to fast packet switching mode, and it provides several services such as voice, video and data.
它具有多业务传输特性，能同时传送语音、视频和数据等业务。
The transmission method of ATM belongs to fast packet switching mode, and it provides several services such as voice, video and data.
它具有多业务传输特性，能同时传送语音、视频和数据等业务。
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