Alongside Telekom Slovenije the international consortium of the iCirrus project consists of Heinrich Hertz Institut and IAF GmbH from Germany, the operators Primetel, Cyprus, Orange, France and Wellness Telecom, Spain, University of Kent, University of Essex, and JDSU in ADVA Optical Networking Ltd. from United Kingdom and Germany. The project was managed by the University of Kent and it lasted three years, since March 2015. Its total budget was just over 3 million euros in grants, fully financed by the European Commission.

By participating in development projects Telekom Slovenije is following its strategic guidelines of a technologically advanced operator who actively participates in the development and implementation of modern telecommunication solutions in the next generation of mobile communications – 5G.