Call data

Call data evaluation

In principle, the following information is processed by the telecommunications system or call data acquisition system for calls subject to charges:

  • extension number
  • dialled number
  • telephone charge account
  • busy trunk
  • date and time
  • call duration

call billing

Monthly totals for telephone calls are stored for each extension and account.

Service Center

Logo service center

© TU Wien


Ticketsystem Online Portal, opens an external URL in a new window
Hotline 01 588 01 42002
1040 Wien, Operngasse 11, EG

The Service Center can be reached digitally from 8 a.m. to 4 p.m.

Safety and Security Measures, opens an external URL in a new window


Personal customer contact only by prior appointment, opens an external URL in a new window.


Compliance with the currently applicable COVID-19 security regulations is assumed.