It extends SIP and USES STUN and RTP relay to perform the connection of SIP signal and media, and then establish the communication and maintain it.
该方法通过适当扩展SIP协议，借助STUN协议以及RTP中继实现端对端的SIP信令和媒体流的建立，完成通信连接的建立与维持。
Firstly, it is profits from the adaptive filter algorithm in communication theory and achieved by evaluating and monitoring the status of message loss over a RTP - based network.
主要是采用RTP协议得到的已丢失报文和历史传输速率等信息，借鉴了无线通信原理中的自适应滤波算法，来预测评估视频传输的网络状态。
The entire communication system includes voice communication based on RTP, dual-core communication, compression algorithms and interface control management modules.
整个通信系统包括基于RTP协议的语音通信部分、双核通信部分、压缩算法实现和界面控制管理部分。
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