New support phone number!

The important things in a nutshell:

Support is still available from 08:00 - 12:00 and 13:30 - 17.00, only the availability for the main line changed.
If you call +41 56 500 22 33 / +49 761 45 89 58 31 you will be directly connected to Coresystems Support.

Full information:

Since today you find our contact possibilities and an overview of absences due to holidays / events here:

Deutsch:

https://www.coresystems.ch/de/kontakt

English:

https://coresystems.ch/en/contact/