Our sales colleagues are happy to help!
If you do not reach our employees directly, please contact our
+49 2871 2722 - 0
Team Leader Sales
+49 2871 2722 - 13
+49 2871 2722 - 50
+49 2871 2722 - 27
Sales & Project Management with emphasis on long-distance traffic
+49 2871 2722 - 38
Sales Department/ Customer Care
+49 2871 2722 - 92
Software & hardware support for customers
If you already are a TIS customer and have questions or problems with our hardware or software, please do not hesitate to contact us. Our colleagues are happy to help!
Hardware & Software support via phone
+49 2871 2722 - 90
workdays Monday - Friday
7 am - 5 pm
E-Mail Support Software
For service requests to our software support, please contact:
E-Mail Support Hardware
For repair & service requests to our hardware services, please contact:
Access to our early morning standby service or to 24/7 support is available via special agreement.