Where are external voice DNs sourced from in a CCE Dial Plan?

Question

Options

• AVGW
• BCUCM
• CCVP
• DCUBE

• A
  1% (1)
• B
  94% (63)
• C
  3% (2)
• D
  1% (1)

Explanation

In Cisco Unified Contact Center Enterprise (CCE), CUCM (Cisco Unified Communications Manager) is the authoritative source for Directory Numbers (DNs), including external voice DNs used in the CCE Dial Plan. CUCM manages all DN assignments across the telephony environment, and CCE references these DNs from CUCM when building its dial plan configuration.

Why the distractors are wrong:

• A (VGW): Voice Gateways handle media conversion between the PSTN and VoIP - they transport calls but do not define or own DNs.
• C (CVP): Cisco Unified Customer Voice Portal handles IVR and call treatment logic; it routes calls but is not the source of DN definitions.
• D (CUBE): The Cisco Unified Border Element acts as a SIP Session Border Controller for trunk interconnection - it has no role in provisioning or sourcing DNs.

Memory tip: Think of CUCM as the "phonebook" of the Cisco UC ecosystem - if something needs a number defined, it comes from CUCM. CCE borrows from that phonebook, not from the gateways or voice portals that simply carry or process the calls.

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