Preparations:
- The PBX PRI port must be pre-connected to the PRI feed patch from the backup PRI appliance.
- The removed, active, PRI feed must be connected to a free PRI port on the backup PRI appliance.
- The backup PRI appliance must be set to passthrough traffic from the active PRI.
- The carrier must pre-configure the district’s PRI trunks to failover to the backup trunks.
Automatic Action upon failure:
- Carrier active trunks failover to the backup PRI trunks and are directed to their respective destinations.