Abstract: Digital switching telephone system, named DKTS, is a result of many years R & D efforts of Telecommunication and Electronics Institute IRITEL - Beograd. This paper describes the general system organization, the applied control principle and the software structure. System features, basic characteristics, technology and construction, are presented also. The system is intended to satisfy national telephone network needs. Basic applications are as local and nodal exchanges, but it enables a number of other applications.
Key words: Digital switching telephone system.