When the primary server is available again, it begins handling calls, however, for configurations earlier than Release 3.0 (
Auto Fallback to Primary feature returns active Survivable Remote Servers to standby mode) endpoints that were registered with the Survivable Remote Servers stay registered until the Survivable Remote Servers is rebooted.
Caution:
This procedure reboots the Survivable Remote Servers, dropping all calls. Ensure that you perform this procedure from the Survivable Remote Servers, not the active server.
Use this procedure to return an active Survivable Remote Servers to standby mode: