非常详细的SIP协议文档集合的PDF

[{"title":"（3个子文件7.24MB）非常详细的SIP协议文档集合的PDF","children":[{"title":"非常详细的SIP协议文档集合","children":[{"title":"基于视频监控系统的RTP与SIP协议分析.pdf <span style='color:#111;'>6.27MB</span>","children":null,"spread":false},{"title":"SIP原版英文文档(附带生僻字翻译).pdf <span style='color:#111;'>3.04MB</span>","children":null,"spread":false},{"title":"sip协议的简单教程.pdf <span style='color:#111;'>664.21KB</span>","children":null,"spread":false}],"spread":true}],"spread":true}]