Our 450 researchers can be found in nine R&D departments in Leidschendam (near The Hague) and Groningen (in the north of the Netherlands). Communication Architectures & Open Systems (CAS), the Institute for Applied Business Research and Telecommunications Management, Testing & Security (TTS) operate at both locations. The entire Service Development & Support (SDS) department is located in Groningen and the remaining departments are situated in Leidschendam. Computer & Instrumentation Affairs supports the R&D departments. Click below for a brief description of each department.

Automated Mail Systems (AMS) Communication Architectures & Open Systems (CAS) Institute for Applied Business Research Network & Service Control (NSC) Planning, Performance & Reliability (PPR) Service Development & Support (SDS) Signal Transport Systems (STS) Multimedia Systems Integration & Application (MSIA) Telecommunications Management, Testing & Security (TTS) Computer & Instrumentation Affairs