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 agreement covers data, voice, land mobile radio and video teleconference networks.

该协议覆盖了数据、音频、陆地移动电台和视频电话会议网络等。

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The service unit provides multiple channels for data, voice, etc.

服务单位为数据、声音等等提供多种渠道。

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

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

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

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