When we met, however, we had to use the phone since voice-over IP (VOIP) was not available.

然而当我们视频时还需要使用电话，因为声音传输协议是不可利用的。

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The voice chat facility is a showcase of a broader technology known as VoIP (voice over IP), which is becoming an increasingly popular way for people around the world to talk inexpensively.

voice chat功能展示了VoIP (voice over IP)技术的优点，该项技术正被世界各地越来越多的人用来进行低成本的交谈。

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Automate simple transactions and provide personalized responses by using Voice over IP (VoIP) technology combined with a VXML browser.

通过结合使用Voice over IP (VoIP)技术和VXML浏览器，可以自动地处理简单的事务并提供个性化的响应。

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"Popular online applications like gaming, Voice over IP (VoIP) and HD video are some of the most sensitive to latency and packet loss over Wi-Fi connections, " said Bigfoot Networks CEO Michael Howse.

ENGADGET: Bigfoot brings Killer bandwidth management to laptops via Wireless N module

The earSmart eS515 Smart Sound Processor responds to this need by delivering a number of industry first innovations: simultaneous 3-microphone processing, optimized Automatic Speech Recognition (ASR), Mobile Audio Zoom and Super Wideband support for Voice over IP (VoIP), combined with a robust audio codec designed specifically for the newest mobile devices.

ENGADGET: Audience eS515 Smart Sound Processor brings three-mic support and selective audio capture to phones

The delivery of voice calls using VoLTE is similar to the voice over IP, or VOIP, phone services offered by many cable and Internet-service providers.

WSJ: U.S. Wireless Carriers Move to New Technology��for Voice