If you have an RTSP camera or other video source, it is possible to add an RTSP source using the Uplink camera option and VXG Gateway.
Go to cameras and click Add Camera
Enter the camera parameters, including the username, password, and RTSP path. For example, the Axis camera RTSP path is
/axis-media/media.amp
Once the Uplink camera is added, you need to add an IP address, RTSP port, and access token in the Gateway interface: