When they are booted, the Cisco Access Digital Trunk Gateway DT-24+, the Cisco Access Digital Trunk Gateway DE-30+, and the Catalyst 6000 digital gateway are provisioned with Cisco CallManager location information. When these gateways initialize, a list of CiscoCallManager’s, referred to as a ______________ is downloaded to the gateways.

A.
Cisco IPSP group

B.
Call managed Cisco redundancy group

C.
IPNC redundancy group

D.
Cisco CallManager redundancy group