参考 https://www.opensips.org/Documentation/Tutorials-WebSocket-2-2 https://opensips.org/pub/events/2016-05-10_OpenSIPS-Summit_Amsterdam/Pete_Kelly-OpenSIPS_Summit2016-OpenSIPSandWebRTC.pdf pdf附件 Eric_Tamme-OpenSIPS_Summit_Austin_2015-WebRTC_with_OpenSIPS.pdf Pete_Kelly-OpenSIPS_Summit2016-OpenSIPSandWebRTC.pdf