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SIP 服务器的魔法

最近在研究SIP,还是挺多这种黑科技的,感觉都是上古的科技了,很多代码都是由php写的

 

SIP 里面还有关于SDP的内容,具体的media encoding可以参见以下内容

https://www.iana.org/assignments/sdp-parameters/sdp-parameters.xml

 

  • WebRTC 往往使用 UDP/TLS/RTP/SAVPF 定义 https://www.rfc-editor.org/rfc/rfc5764.html
  • https://www.rfc-editor.org/rfc/rfc8866.html
  • S secure
  • AVP
  • F feedback (RTCP, i.e. the control protocol)

 

这个小哥讲得挺生动形象的,里面涉及了SDP等的内容

 

 

 

关于SIP, CISCO的这个有关课程也是讲得不错

 

 

 

 

 

 

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