Lecture halls/seminar rooms
+49 6151 16-71114
Telephony/Network
+49 6151 16-71112
Workplace support (for ZV + workplace support/ APB customers)
+49 6151 16-71121
For all other issues: HRZ-Service
+49 6151 16-71112
Your request is recorded on the telephone and passed on to the specialist department.