Mobile phone use
Telephoning with the business mobile phone
Call another service cell:
four-digit speed dial number
Call the TU landline:
90 and 5-digit or 6-digit TU extension unit
via Direct Link (always free of charge)
91 and 5-digit or 6-digit TU extension unit
via fixed network (free of charge within the free minutes)
Conducting a private conversation (if activated)
98 and desired number
Every mobile phone in the A1 network contract is reached with:
- the business number (corporate number)
- the actual number of the SIM card
- as well as the four-digit speed-dial number (from another business mobile phone)
cf. mobile numbers
Mobilbox:
Query from mobile phone:
four-digit speed dial number
Query from a landline or abroad:
+43 66477 xxxxxxx #Mobile box password#, xxxxxxx is the actual (private) phone number of the service mobile phone, mobile box password consists of the last four digits of the PUK (can be changed)
A1 Information
999 11866
Number only for A1 Network customers!
(Number for A1 customers who are not Network customers: 11866)
Service Center
© TU Wien
Ticketsystem Online Portal, opens an external URL in a new window
Hotline 01 588 01 42002
help@it.tuwien.ac.at
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.