Contact
Our business hours
Monday - Friday:
8:00 am to 12:00 pm and
1:00 pm to - 4:00 pm
8:00 am to 12:00 pm and
1:00 pm to - 4:00 pm
- 0800 0609-111
- International: +49 6151 58-15432
Sales
- +49 6151 58-15444
- dms.vertrieb@t-systems.com
Training
- +49 6151 58-15333
- dms.training@t-systems.com
Invoice
- +49 6151 58-15322
- dms.faktura@t-systems.com
T-Systems International GmbH
Heinrich-Hertz-Straße 1
64295 Darmstadt
Heinrich-Hertz-Straße 1
64295 Darmstadt