abc.com Lumber Company phones are configured to use AAR to reroute a call when the call is rejected due to insufficient IP WAN bandwidth. Which AAR configuration parameter will prevent a call originating at a lobby phone from using AAR when CAC rejects the call due to insufficient bandwidth?

A.
disabling AAR for the specific DN

B.
changing the AAR Calling Search Space in the IP phone line settings

C.
changing the AAR Group information

D.
changing the AAR External Phone Number masks

Explanation: