To connect via RTSP:
If you are filtering outgoing connections, allow this outgoing ports to camera:
You can test RTSP stream with VLC media player.
Possible bug: When you connect to the camera with your phone, disconnect from it and then try to open rtsp stream in VLC media player, it will only load the first frame and stuck there. You need to reboot the camera, connect to rtsp with VLC media player without accessing it via mobile device.
Extra note: It’s advisable to block outgoing traffic from camera into internet. My camera is connecting to some IP with weird ports.
Quick whois showed me this IP belongs to alibaba.com. I did not sniff the traffic, so I’m not sure if the nature of it is spyware. It’s probably their cloud service or some other service.
For the extra paranoid, physically disconnect the microphone on the camera: