You are a CCM administrator at Certkiller . Your newly appointed Certkiller trainee wants to know what the requirement for implementing Call Park in a CCM cluster is. What will your reply be?

A.
Each IP phone must subscribe to the Call Park service.

B.
Each CCM must have a unique Call Park number/range.

C.
A PSTN gateway must be selected to act as the endpoint for Call Park.

D.
An access password must be configured for the Call Park number/bridge.