In the Defence sector Ascom acts as a competent partner for armed forces and security organisations, delivering customised solutions for Command, Control, Communication, Computing & Information (C4I).

In the Public Safety segment, the main activites are alarm and mobilisation systems as well as emergency call dispatching systems for police and rescue organisations.

In the Telecommunications segment Ascom delivers systems to optimise and measure the quality of mobile networks. The portfolio includes software solutions for network operators and service providers, to enhance their internal processes related to the planning and implementation of telecom networks.

In Traffic Security, Ascom delivers passenger information and emergency call systems that make rail and road travel safer and more pleasant, and help transport operators to manage their business processes efficiently.