How to find ONVIF port in the camera properties
The feature of finding ONVIF port and change it in the firmware version after v2.0.8 v2.0.11at-A- and v2.0.11at-B-:
The benefit of this feature, to allow you using any NAS devices with ONVIF in it and any NVR (network video recorder) with ONVIF in it.