- Telecommunications and Postal Division
- Trust Services
- Operator services
- Liste der Vertrauensdiensteanbieter
List of trust service providers
RUNDFUNK UND TELEKOM
REGULIERUNGS-GMBH
Austrian Regulatory Authority for Broadcasting and Telecommunications
Mariahilfer Straße 77-79, 1060 Vienna, Austria
tel.: +43 1 58058-0