On Friday, 05.03.2021 from 13:00 and on Saturday, 06.03.2021 (all day) necessary upgrades of the Voice-over-IP telecommunication system (VoIP) and the associated services and security functions will take place.
This will result in interrupted telephone calls (including call forwarding) and temporary disruptions to the additional services Jabber, answering machine and fax. Video conferencing services such as Big Blue Button are not affected.
We ask for your understanding, thank you!