ES (Emergency Service) Trunks

From NENA Knowledge Base

ES (Emergency Service) Trunks are message trunks capable of providing ANI, connecting the serving central office of the 9‑1‑1 calling party and the designated E9‑1‑1 Control Office.

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 03-502, Trunking for Private Switch 9-1-1 Service Technical Information Document (TID)

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