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。
Cisco wireless plant networks offer applications including those for worker mobility, voice over IP communications, tracking of personnel and assets, and video applications.
思科无线工厂网络提供的应用包括这些用于工人移动性、基于IP的语音通信、跟踪工作人员和资产以及视频应用。
SIP is currently the basic signaling and call setup protocol for IP telephony, and SIP applications are the basic way to provide voice and other multimedia services over IP.
SIP是当前IP电话的会话建立和信令控制的基础协议，SIP应用也是实现基于IP网络的语音等多种多媒体应用的基本途径。
With the population of Internet and rich and colorful applications in Internet, IP traffic has substituted the place of voice traffic and becomes the dominant service carried by telecom networks.
随着互联网所提供的丰富多彩的服务不断带给着人们惊喜，IP业务已悄然取代了传统的话音业务，成为了网络业务的主体。
With the population of Internet and rich and colorful applications in Internet, IP traffic has substituted the place of voice traffic and becomes the dominant service carried by telecom networks.
随着互联网所提供的丰富多彩的服务不断带给着人们惊喜，IP业务已悄然取代了传统的话音业务，成为了网络业务的主体。
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