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Question

Which statement is correct about AAR?

A.	The end users see, "Network Congestion Rerouting?" but AAR is otherwise transparent to the end user and works without user intervention.
B.	AAR will display "not enough bandwidth" on the IP phone while it reroutes the call.
C.	AAR allows calls to be rerouted because of insufficient Cisco Unified Border Element controlled bandwidth to an ITSP.
D.	AAR allows calls to be rerouted due to insufficient gatekeeper controlled IP WAN bandwidth.

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Accepted Answer

The end users see, "Network Congestion Rerouting?" but AAR is otherwise transparent to the end user and works without user intervention.

Accepted Answer

Automated alternate routing (AAR) provides a mechanism to reroute calls through the PSTN or other network by using an alternate number when Cisco Unified Communications Manager blocks a call due to insufficient location bandwidth. With automated alternate routing, the caller does not need to hang up and redial the called party.