In the night from Sunday, 28 April to Monday, 29 April 2024 between 00:00 and 04:00, all business phone numbers of the University of Vienna will be transferred (ported) to the new provider Drei.
Business phone users, IT representatives, invoice recipients and managers have already received all the necessary information for a smooth transition by e-mail.
This information can also be found on the ZID website at zid.univie.ac.at/en/business-phone/new-provider/.