WebRTC for Unity is a package that allows WebRTC to be used in Unity. If you are interested in the streaming solution with WebRTC, you can check Unity Render Streaming.
After running some time, it got error in logs: 001:977: Port[5932c8d0:1:1:0:local:Net[Intel(R):10.59.60.x/32:Ethernet:id=3]]: Gathered candidate: Cand[:252203621:1 ...