国标28181文档，做安防监控的兄弟们有福啦，公安部现在规定所有设备都必须支持这个协议。给大家把这个放出来吧。-GB 28181 document, brothers doing security monitoring Blessed are you, the Ministry of Public Security now requires all devices must support this protocol. Release this for everyone to come.

GBT28181协议测试码流，打印出测试中发送和接收端的SIP消息，供参考。-GBT28181 protocol test code flow, print out the test the sending and receiving the SIP message, for your reference.

Gb28181, written by others, captures the video stream and converts it into H.264 video stream. The SIP protocol is pjsip. To do this, the mainstream is c++. Which God would like to update and open source for the benefit of China?