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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This paper presents the implementation of RTP, a transport protocol which supports the real-time dare transmission in multicast session.

文章介绍了适合实时数据传输的运输协议RTP在多点投递场合的实现。

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This paper describes some technical foundations of the new real-time multimedia services, where a realtime transport protocol (RTP) and its prototype implementation are focused on.

本文主要论述了在网络之间传输多媒体信息的一些基本概念和技术，着重讨论了实时运输协议RTP的主要技术内容及原型实现。

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