The system, principle, function technical know how and engineering application of data voice compatible train radio dispatching communication system are introduced in this paper.

介绍数话兼容无线列调系统的制式构成、考虑原则、功能原理、关键技术和工程应用。

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The HFMR AN/PRC-150 offers secure voice and data communications, networking and long-lasting battery life.

HFMR AN/PRC-150 提供安全的语音和数据通信、网络和持久的电池寿命。

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It was the first time that data, voice and video over the hand-held commercial devices were simultaneously transmitted over both 3g and military tactical radios without any interruptions in service.

这是首次实现手持式商用设备上的数据、语音和视频通过3g网和军事战术无线电同时传输，并且服务过程中没有任何中断。

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The company provides routers and switches used to direct data, voice, and video traffic.

FORBES: Market Breaks Downtrend, Time To Buy Apple, Baidu And Much More

But as data overtakes voice and as voice traffic gets packetized, the Titan line becomes less relevant.

FORBES: Survival technique: paranoia

By 1980 carriers used fiber to carry data and voice calls as optical signals in the form of photons.

FORBES: Hooked on Photonics