E 9-1-1 Board System and Vermont Enhanced 9-1-1 System(E) = Existing Flow
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| Source | Architecture Flows | Destination |
| E 9-1-1 Board System | E911 system administration data_ud (E) | Vermont Enhanced 9-1-1 System |
| Vermont Enhanced 9-1-1 System | PSAP data_ud (E) | E 9-1-1 Board System |