When configure Cisco UCM,which configuration enables phones to automatically reregister to a Cisco UCM publisher ' when the connection to the subscriber is lost?
SRST, or Survivable Remote Site Telephony, is a feature that allows Cisco IP phones to continue to function even when the connection to the Cisco UCM publisher is lost. When SRST is configured, the phones will automatically reregister to the publisher when the connection is restored.
Route groups are used to route calls to different destinations based on the caller ' s phone number or other criteria. Cisco UCM is the call management system that controls the IP phones. Device pools are used to group phones together for administrative purposes.
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