FIELD: electric and radio communications, possible use in railroad transport for organization of train radio communication circles of train dispatcher, station duty officers, other commanders and workers, organizing movement of trains.
SUBSTANCE: in accordance to invention, each client hears everyone, as a result of which control over train situation is provided as well as over actions of workers organizing train movement, resulting also in increased safety of train movement.
EFFECT: increased reliability of radio communications due to provision of talks via bypass branches of circles in case of disruption of main branches; expanded functional capabilities.
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