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Meaning of call tree | Babel Free

Noun CEFR B2

Definitions

A hierarchical communication structure used to rapidly notify a group of people during emergencies or critical events.

Equivalents

Nederlands telefoonboom

CEFR level

B2

Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.

See also

call up call value call waiting Call-accepted call-boy call-by-future