You can self-host the video/audio parts of Zoom https://support.zoom.us/hc/en-us/articles/201363093-Deploying-the-Meeting-Connector https://support.zoom.us/hc/

You can self-host the video/audio parts of Zoom https://support.zoom.us/hc/en-us/articles/201363093-Deploying-the-Meeting-Connector https://support.zoom.us/hc/en-us/articles/201363093-Deployin...