D.I.C.A.

electrical and electronic apparatus and instruments for telecommunication of data, pictures and sound via ISDN networks, namely, modems, converters, multiplexers, ISDN terminal equipment, PABX (Private Access Branch Exchange) equipment, Network Termination 1 equipment (NT1), Terminal Adapters (TA), Terminal 1 Equipment (TE1), Terminal 2 Equipment (TE2), and microcomputers for controlling the process of telecommunicating; programs embodied on machine readable information carriers for data processing and for transmitting and delivering information by telecommunication over ISDN networks

operation of ISDN telecommunication systems, namely, systems for the transmission of information over ISDN networks; operation of ISDN communication networks and ISDN network apparatus, leasing of ISDN data processing apparatus and ISDN telecommunications apparatus

technical services for users of technical and ISDN telecommunication subjects, namely, variation of programs for ISDN data processing, advice and support in the installation, operation and servicing of software, hardware, ISDN network systems, ISDN telecommunication systems and ISDN networks; distribution of related informational materials for ISDN networks