Frequently asked questions
Our general FAQs will answer your questions if you're new to the world of KVM. Find answers to your questions about our support and the installation of our products.
Do you have further questions? Don't hesitate to contact us - we will be pleased to advise you.
New contact details
Guntermann & Drunck GmbH Systementwicklung
Obere Leimbach 9
57074 Siegen - Germany
Phone: +49 271 23872-0
Fax: +49 271 23872-120
You can contact us
Mondays to Thursdays:
from 06:00 a.m. to 6:30 p.m. (CET)
from 06:00 a.m. to 5:00 p.m. (CET)
Send an email to
or free of charge via phone
00800 5509 6000*
This service number cannot be reached from some regions or service providers.
In that case, you can still call us on +49 271 23872-488