To be clear, I am running CUCM 11.5 with 8851 phones. I have unchecked the "Enable End User Access to Phone Background Image Setting". I am using Background.png for the "Background Image" field with the override option checked.
I then save, app...
I'm working on the same process using just the image name in the field and it won't seem to force the background setting.
I've tried the filename.png and filename with no extension. Both result in no change. If I enable user access to backgroun...