Cisco 400-051 Exam

A cisco unified CM cluster is being set up for call control discovery using the service advertising framework. An engineer discovers that patterns are not being learned by the cluster. Which two items must be checked in an attempt to resolve the issue? (Choose two)

  • A. The CCD block patterns are not preventing remote patterns from being entered into the local cache.
  • B. The hosted DN group on the cluster matches the patterns that should be learned
  • C. The CCD advertising service is activated in cisco unified CM serviceability
  • D. A CCD route partition has been assigned for learned patterns
  • E. The CCD requesting service is activated in cisco unified CM serviceability
  • F. The SIP trunk is enabled for call control discovery
Answer: Option A. F.
Explanation: 
http://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/admin/8_0_2/ccmfeat/fsgd-802cm/fscallcontroldiscovery.html After you configure call control discovery, you may block learned patterns that remote call-control entities send to the local Cisco Unified Communications Manager. (Call Routing > Call Control Discovery > Blocked Learned Patterns Ensure that the CCD block patterns are not preventing remote patterns from being entered into the local cache. The local Cisco Unified Communications Manager cluster uses SAF-enabled trunks that are assigned to the CCD requesting service to route outbound calls to remote call-control entities that use the SAF network. The Cisco Unified Communications Manager cluster advertises the SAF-enabled trunks that are assigned to the CCD advertising service along with the range of hosted DNs; therefore, when a user from a remote call-control entity makes an inbound call to a learned pattern on this Cisco Unified Communications Manager, this Cisco Unified Communications Manager receives the inbound call from this SAF-enabled trunk and routes the call to the correct DN. Ensure that the Sip trunk is enabled for call control discover.

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