I managed to set up a Tapo C210 camera on default port 554 to view outside my local network but there is one more.
The problem is that when I enter the rtsp url of the second camera (C320WS) I still see the other camera even with different user name and password.
It looks weird but I guess the problem is the 554 port that can see only one camera regardless of the credentials of any other camera.
I open port 555 in my router but it looks closed though probably because the camera is not responding to that port.
I have no way to set up 555 in the camera itself.
Any advise will be welcome