From sgcWebSockets 4.1.10 AppRTC is supported using TsgcWSPServer_AppRTC component.
This protocol uses code from https://github.com/webrtc/apprtc and sgcWebSocket server as signaling server, so you can run your own server to allow Broadcast Audio and Video.
Online demo use viagenie STUN/TURN server, for production environment, is recommended to use own TURN/STURN servers.