Switching systems Telecommunication 16 Congresses 5 Data processing 4 Software engineering 4 Telephone switching systems, Electronic 4 Computer networks 3 Telecommunication systems 3 Programming (Electronic computers) 2 Asynchronous transfer mode 1 Broadband communication systems 1 Data transmission systems 1 Design and construction 1 Equipment and supplies 1 Local area networks (Computer networks) 1 Network performance (Telecommunication) 1 Optoelectronic devices 1 Packet switching (Data transmission) 1 SDL (Computer program language) 1 Switching systems, Electronic 1 Technological innovations 1