NG112 reference
Indoor Location
Structured NG112 reference page.
112 readiness
Policy, location, routing, and response quality connected in one operational model.
Location
Indoor Location
Indoor emergencies are where coarse location fails. A street address can be useless in a hospital wing, logistics warehouse, airport, school or shopping center. Useful indoor location often combines civic detail, network context, Wi-Fi data, floor/room records and responder-friendly descriptions.
What it does
Indoor location focuses on making emergency location actionable inside buildings, campuses, factories, warehouses and public spaces.
Indoor location improves dispatch and responder navigation when callers are not visible from a street address.
How it works
- Uses access-network clues, facility records or handset-derived information.
- Maps users to floors, rooms, wings, entrances or zones.
- Presents actionable detail to the PSAP and responders.
Key interfaces and protocols
- LIS provisioning
- Wi-Fi/controller data
- Civic location fields
- GIS/floor plan references
Systems it interacts with
- LIS
- Enterprise UC
- Wi-Fi calling
- PSAP GIS
- Facility management
Common failure modes
- Entire campus maps to one front desk.
- Temporary workspaces have no location record.
- Wi-Fi access point locations are stale.
- Floor names differ between IT, facilities and emergency plans.
Implementation considerations
- Segment large spaces into responder-friendly zones.
- Audit after remodels and network refreshes.
- Use signage and emergency plans as data inputs.
Standards
- IETF RFC 4119
- IETF RFC 5985
Related NG112 technologies
Related country deployments
No country deployments are listed here until independently verified against official or high-confidence sources.
Related articles
Sources
- RFC 4119: A Presence-based GEOPRIV Location Object Format - IETF, accessed 2026-08-31
- RFC 5985: HTTP-Enabled Location Delivery - IETF, accessed 2026-08-31
- RFC 6442: Location Conveyance for SIP - IETF, accessed 2026-08-31
- RFC 5222: LoST: A Location-to-Service Translation Protocol - IETF, accessed 2026-08-31
- RFC 5031: A Uniform Resource Name for Emergency and Other Well-Known Services - IETF, accessed 2026-08-31
- ETSI TS 103 479 deliverable directory - ETSI, accessed 2026-08-31
Last verified: 2026-08-31