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Telephone Team

Report of Malfunctions

In case your telephone line at the university is out of order,

  • dial 120 uni-internally on an intact telephone
  • Mon-Thu from 7:30 am - 4:15 pm, Fri from 7:30 am - 1 pm

or send an email to:


The telephone switchboard 06421-28-20 of the University is available Mon - Thu from 07:30 am - 4:30 pm and Fri from 07:30 am - 1:30 pm. Outside these hours, an announcement indicates the switchboard’s office hours.

Calls are switched between the public telephone network and the university telephone network (both directions) as well as within the university telephone network.

Telephone billing

Please contact