Civic · 6 pages · 12 min
How 911 is a routing system
911 routes a call to a public safety answering point; it does not send the ambulance itself.
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From the opening
911 is a telephone access number that routes a call to a public safety answering point, the center designated to answer emergencies for that place. The system selects which center receives the call and attaches location information, and the help itself is dispatched afterward by that center. The opening covers the number selects an answering point, location data rides with the call, and transfers still count as routing.
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Inside
- The number selects an answering point
- Location data rides with the call
- Transfers still count as routing
- Field units are assigned later
- Where the idea stops applying
- A distinction worth keeping
Sources
- Public safety answering point
- Selective routing for 911