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。

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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。

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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。

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Look at the old mandates that require the firms we used to call telephone companies to maintain their copper-wire phone lines and voice-call switching infrastructure.

FORBES: Big Broadband's Secret Plan to Deliver Wildly Popular Content and Apps to Happy Consumers

Consumers are also switching to Voice-over-Internet Protocol (VoIP), which after years of talk is so tested and proven that even you've begun to grudgingly sell it.

FORBES: Message In A Bottle

At the carrier switching office, the voice is separated from the data and converted back to regular circuit-switched voice.

CNN: Voice over DSL trial passes muster