Iskani niz je bil najden v PREVODIH:
Fernsprechfrequenz
en speech frequency, telephone frequency, voice frequency
Fernsprechkanal
en speech channel, telephone channel, voice channel, voice-grade channel
Fernsprechleitung
en calling line, phone line, speech circuit, telephone circuit, telephone line, telephone service, telephone wire, trunk line, voice circuit, voice-grade line
Fernsprechnetz
en PSTN, public switched phone network, telephone network, telephone system, voice net, voice network
Flugschreiber
en Black Box colt, Black Box for cockpit voice recording, Black Box for the recording of flight data, Black Box, cockpit flight data recorder, cockpit voice recorder, data recorder for cockpit voice data, data recorder, flight data recorder, flight recorder for voice data, flight recorder, voice recorder