See https://antmedia.io/webrtc-streaming-in-unity/ for how to stream guidelines. If you are a developer, see soraSample.cs to how to use it. Also If you want to send to data channel messages,see line 140 in sorasample.cs Simply call sora.SendDataChannelMessage("some string here").
Also see extras folder if you want to add more functionality to the SDK. Currently there are mute/unmute for android and ios. Change audio from earpiece to speaker.
For any issues regarding this application, contact to [email protected] please.