GB28181平台，涉及到Server端和Client端，代码很全，用了一部分开源的SIP库SIPSorcery，不过是.netcore写的，很少有人这样做，不知道哪位大神能深化一下(GB28181 platform, involving Server and Client side, the code is very complete, using part of the open source SIP library SIPSorcery, but written by. netcore,