Switching office equipment, such as trunk circuits, signal distributing circuits and voice tone signal oscillators and receivers, installed with the standard D10 Electronic Switching System hardware, was developed for maritime mobile telephone service. Also, cross-bar office equipment for charging developed. These equipment were used in field trial and their satisfactory function and performance was confirmed. This paper describes the concentrating control of radio channels, voice tone signaling system, charging system and an equipment outline.
Maritime mobile telephone switching programs
Programmgesteuerte Vermittlung beim mobilen Funkdienst fuer Wasserfahrzeuge
Review of the Electrical Communication Laboratories ; 24 , 11/12 ; 970-989
1976
20 Seiten, 12 Bilder, 3 Tabellen, 5 Quellen
Aufsatz (Zeitschrift)
Englisch
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