Airport: Cologne Bonn (CGN)
Train stations: Bonn or Siegburg
Driving: The Telekom parking garage is located directly behind the Headquarters building, near the corner of Nahum-Goldmann-Allee and Olof-Palme Allee
The venue for SDV Contribution day is
T-Systems
HQ of Deutsche Telekom AG
Friedrich-Ebert-Allee 140
53113 Bonn
Germany