QuestionQ489

On-Premises Call Control

An administrator must implement toll-fraud prevention in Cisco UCM, specifically to limit off-net-to-off-net call transfers. How is this configured?

  • A Use the correct route filters.
  • B Implement time-of-day routing.
  • C Enforce ad-hoc conference restrictions.
  • D Set the appropriate service parameter.
Explanation

Cisco Unified CM prevents off-net-to-off-net transfers through a Unified CM Administration service parameter: the clusterwide Block OffNet to OffNet Transfer setting. Route-pattern call classification distinguishes on-net from off-net calls, while the service parameter enforces the transfer restriction.

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