Development, production, sales, service:
-telecommunication technology
-dispatch facilities:
-star systems (connectors,
switches, conference systems)
-line systems (RDZ, PARTY, SLDS, GAMA, OMEGA)
-REVOC (multichannel call recording system
on a personal computer, subsequent search
and call identification during playback, archive archiving)
-radio switchboard for use on railways
(reports of arrivals, departures of trains, reports of important
information for passengers, for railway workers, silent
understanding)
-solution of voice communication according to customer needs.