1. BH Telecom, Joint Stock Company, Sarajevo, Obala Kulina bana 8, 71000 Sarajevo, Bosnia and Herzegovina
2. Faculty of Electrical Engineering and Computing, University of Zagreb, Unska 3, 10000 Zagreb, Croatia
3. Department for Informatics and Telecommunication Systems, Ministry of Security of Bosnia and Herzegovina, Trg BiH 1, 71000 Sarajevo, Bosnia and Herzegovina