If the WVC80N camera is properly configured, you can identify if the issue is with your router by accessing the camera while it is directly connected to your modem (no router in between).
You also need to make sure that if you want to access the camera remotely, you need to use the router's Internet IP Address and the port number used by your cameras
You also need to make sure that if you want to access the camera remotely, you need to use the router's Internet IP Address and the port number used by your cameras