VoiceXML begins with at least one VXML file, the VoiceXML-flavored version of XML used to inform telephony applications of what they should (and can) do.

VoiceXML最少要以一个VXML文件开始，使用VoiceXML风格的XML版本告诉电话应用程序它们应该以及能够作些什么。

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These applications securely integrate IP telephony with business applications and corporate data on any IP device, including IP phones, mobile devices and PCs.

这些应用可能使用任何IP设备，例如IP电话、移动设备和PC，利用业务应用系统和协同的数据来安全地整合IP电话技术。

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For example, in voice connections of applications such as IP telephony, the protocol negotiated with SDP in a SIP message is often Real-Time protocol (RTP), which is defined in RFC 3550.

例如，在ip电话等语音应用程序连接中，在SIP消息中使用SDP协商的协议通常是实时协议(Real - Time Protocol, RTP)，而此协议在RFC 3550中定义。

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Coming in second on the ranking of listed up-and-coming companies was Longmaster Information and Technology, a supplier of online telephony applications.

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Fraunhofer's Full-HD Voice technology is already widely used to provide CD-like audio quality for professional video conferencing systems, as well as consumer video telephony applications, such as apple FaceTime.

ENGADGET: Fraunhofer releases its 'CD-like' audio codecs to developers, lends a little HiFi to VoIP apps

Its rollout of the so-called 21st century network is well underway and will broadband telephony, TV as well as applications for the digital home.

BBC: NEWS | Technology | Internet phone calls on the rise