Mass Calling Event

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Mass Calling Event is a period of high 9‑1‑1 call volume triggered by an accident, man-made, natural, or weather-related event.

Relevant NENA Documents
Note: To find and download the document, copy the document number (like NENA-STA-010) from below and search the NENA Standards and Documents page.


NENA-INF-002, NENA Information Document on The Effect of Mass Calling Events on Legacy SR to PSAP Trunking