- Open Einstellungen (Settings) and Geschäftszeiten (Business hours).
- Check every weekday on which you are reachable.
- Enter start and end in the format HH:MM.
- Add more time ranges on the same day with Zeitraum (Time range), such as for a lunch break.
- Choose Speichern (Save).
Outside these hours, the Außerhalb der Geschäftszeiten (Outside business hours) rule applies. If a person has their own working hours, those hours apply to them.