reverse 911 call
noun1
US A call initiated by emergency services to telephone numbers, to, for example, announce a mandatory evacuation.
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.
noun
US A call initiated by emergency services to telephone numbers, to, for example, announce a mandatory evacuation.
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.
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