We fill in all the required fields. Pay special attention to correctly entering the RTS link for the camera. As indicated in the example, the link consists of 2 parts: the username and password for the camera, as well as the IP address and port of your camera. The result should be rtsp://admin: 123456@99.99.99.99 :554/av0_0
Examples of rtsp for various camera models can be found at
link