log in to http:\\vmixcall.com and start the call.
You will probably be asked by the browser, if you want to grant permission to access the camera and microphone. Say YES
Attention: Windows Internet Explorer Browser does NOT work
(only the newest Windows Edge Chromium Browser, released end of June 2020!)
Open your Browser and go to http:\\vmixcall.com
As soon as you see a back picture from the Studio, please switch to full screen, and switch off the small control picture from your webcam. The quality of the back picture is automatically adapted to the existing Internet line. There are no further settings.