Teams Auto Attendant, where can the user configure vacation?

I have this working, but no idea how. It's in settings / calls. You need to assign a Teams Premium license, and enable 'Holiday dates and hours' in the voice application policy. And add the authorized user in the auto attendant ofcourse. Further more i think you need to enable preview features for the desktop client.

The funny thing is, i transferred my premium license to someone else, but i can still edit the dates, and he can't. We verified the licenses are transferred. We're kinda stuck now.