Emergency Dispatch System

flowchart TB
  n0["system<br>Emergency Dispatch System"]
  n1["actor<br>Emergency Callers"]
  n2["actor<br>Field Responders"]
  n3["actor<br>Dispatchers"]
  n4["actor<br>Supervisors"]
  n5["actor<br>Telephone Service Providers"]
  n6["actor<br>Neighboring PSAPs"]
  n7["actor<br>State/Federal Reporting"]
  n8["actor<br>NCIC/NLETS Databases"]
  n1 -->|911 calls, text-to-911, telematics| n0
  n0 -->|Dispatch assignments, incident data, CAD updates| n2
  n2 -->|Status updates, GPS position, field reports| n0
  n0 -->|Call/incident display, map, radio audio| n3
  n3 -->|Dispatch commands, call handling actions| n0
  n0 -->|Performance metrics, queue status, alerts| n4
  n5 -->|Incoming calls via ESInet/PSTN| n0
  n0 -->|Mutual aid requests, transferred calls| n6
  n0 -->|NIBRS, NFIRS, CAD statistics| n7
  n0 -->|Query requests| n8
  n8 -->|Query responses, wanted/missing persons| n0