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

Question

Options

• AVGW
• BCUCM
• CCVP
• DCUBE

• A
  5% (1)
• B
  81% (17)
• C
  10% (2)
• D
  5% (1)

Explanation

In Cisco Contact Center Enterprise (CCE), external voice Directory Numbers (DNs) are sourced from CUCM (Cisco Unified Communications Manager) because CUCM is the core call-processing engine that owns and manages all DN configurations within the enterprise. The CCE Peripheral Gateway (PG) integrates with CUCM to import these DNs into the dial plan, making CUCM the authoritative source for external voice routing.

Why the distractors are wrong:

• A. VGW (Voice Gateway): VGWs handle PSTN protocol conversion and connectivity, but they do not define or host DNs for the dial plan.
• C. CVP (Customer Voice Portal): CVP provides IVR and self-service call treatment; it consumes dial plan routing but does not source the DNs themselves.
• D. CUBE (Cisco Unified Border Element): CUBE is a SIP border element managing trunk-level SIP sessions between providers and the enterprise, not a source of internal DN configuration.

Memory tip: Think of CUCM as the "phone book" of the CCE ecosystem - every number (DN) must be registered and defined there before any other component (CCE, CVP, CUBE) can route to it. If a DN lives anywhere, it lives in CUCM first.

No community discussion yet for this question.