Open “Settings”, go to “Apps”, and then to “Calendar”.
Click “Calendar Accounts” and then “Add Account”.
Select “Add Other Account...”.
Select "CalDAV-Account“.
Enter the following information then tap "Next":
Server: davmail.msx.tu-dresden.de
Username: Your ZIH-Login
Password: Password of your personal ZIH-Login
Description: (Optional)
Confirm by clicking “Continue” and “OK”
Click “Advanced Settings”
and enter the following additional information:
Use SSL: activated
Port: 1180
Account URL: https://davmail.msx.tu-dresden.de:1180/principals/users/name-des-vpf@msx.tu-dresden.de
Use the “<” button to go back.
Tap “Next” and then “Save”; the calendar will now be displayed