When you forward the 554 Port to the local IP address of the camera device from your modem with Static Internet, you can make your camera open to the internet environment with the RSTP protocol.
However, the RTSP link may be different for each device. You can learn this from the Network Menus of your device. Usually it is rtsp://username:password@staticip:554/cam/realmonitor?channel=1&subtype=1
The website you will use: https://rtsp.me/
What You Need To Know For Rtsp Broadcast
- Modem Port Forwarding
- Static IP Service
- RTSP URI Structure
- Required Upload Speed
You can find enough information on these topics on the internet.