What two types of calls can cause the Cisco Unified CallManagerto send an ARQ to a gatekeeper to determine if a call should be routed? (Choose two.)

abc.com’s Bicycles has three manufacturing plants and 145 retail stores. Each of the manufacturing plants has a Cisco Unified CallManager cluster. The retail stores use a mix of Cisco Unified CallManager Express and key systems with gateways. What is the recommended trunk type to use on the Cisco Unified CallManager clusters for full intersite calling capability?

You have two clusters with six Cisco Unified CallManager systems in each. How many ICTs must be configured to provide full server redundancy if a gatekeeper is present in the network?

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Cisco 642-447 Exam

You need to establish a connection from your Cisco Unified CallManager cluster to a service provider’s registrar server. Which trunk type should you select?

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?

What is the impact of setting an RSVP policy per location pair with a default interlocation RSVP service policy?

What is the process used to restore an entire cluster in the event of a catastrophic failure?

How many backup sessions can be active at one time in the Disaster Recovery System?

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Cisco 642-447 Exam
Which two are requirements for configuring a gatekeeper-controlled intercluster trunk? (Choose two.)

You have configured SRST at a remote site on an MGCP gateway. During testing, you find that IP phones are not registering with the SRST router when the IP WAN fails.

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Which three potential problems need to be investigated? (Choose three.)