To successfully set up motion detection with ONVIF (Open Network Video Interface Forum), please enable motion detection in Brickcom NVR configuration page first and set up motion detection configuration in camera webpage.

Step1. Go to NVR configuration page: Recording & Event > Event & Action Management

Step2. Click Motion from Camera > Add action, and click "apply" button

Step3. Go to camera webpage and set up motion detection configuration on camera page.