| Source Element | Destination Element | Flow |
|---|
| County and City 911 Dispatch Centers | User Personal Computing Devices | emergency acknowledge |
| Vehicle | emergency acknowledge |
| Vehicle | emergency data request |
| County and City Fire and EMS Departments | User Personal Computing Devices | emergency acknowledge |
| Vehicle | emergency acknowledge |
| Vehicle | emergency data request |
| County Sheriff and City Police Departments | User Personal Computing Devices | emergency acknowledge |
| Private Mayday Services | User Personal Computing Devices | emergency acknowledge |
| Vehicle | emergency acknowledge |
| Vehicle | emergency data request |
| User Personal Computing Devices | County and City 911 Dispatch Centers | emergency notification |
| County and City 911 Dispatch Centers | emergency notification relay |
| County and City Fire and EMS Departments | emergency notification |
| County and City Fire and EMS Departments | emergency notification relay |
| County Sheriff and City Police Departments | emergency notification |
| County Sheriff and City Police Departments | emergency notification relay |
| Private Mayday Services | emergency notification |
| Private Mayday Services | emergency notification relay |
| Vehicle | County and City 911 Dispatch Centers | emergency notification |
| County and City 911 Dispatch Centers | emergency notification relay |
| County and City Fire and EMS Departments | emergency notification |
| County and City Fire and EMS Departments | emergency notification relay |
| Private Mayday Services | emergency notification |
| Private Mayday Services | emergency notification relay |