What is a prerequisite of AAR deployment?
A.
You must have a single distributed call processing deployment.
B.
Calls must be manually rerouted through the PSTN or other networks when Cisco Unified
Communications Manager blocks a call due to insufficient location bandwidth.
C.
Calls must be automatically rerouted through the PSTN or other networks when Cisco Unified
Communications Manager blocks a call due to insufficient location bandwidth.
D.
Clustering must be implemented over the WAN.
E.
You must have a centralized call processing deployment.
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