NENA i3 data model v3 adds site-structure polygons and tighter validations, presenters say

Oct 17, 2025

Presenters at the Public Utilities Commission’s final PUC 911 GIS series session described anticipated changes in NENA i3/data model v3, including site-structure polygons to support indoor mapping, stricter domains and validation rules, and continued reliance on some legacy attributes during transition to full spatial call routing.

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Subject-matter experts on the Public Utilities Commission’s PUC 911 GIS series described planned changes in the NENA i3/data model version 3 and urged jurisdictions to treat conditional legacy fields as operationally important during the NG9‑1‑1 transition.

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