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Which action prevents toll fraud in Cisco Unified Communications Manager?
A. Implement toll fraud restriction in the Cisco IOS router.
B. Implement route patterns in Cisco Unified CM.
C. Allow off-net to off-net transfers.
D. Configure ad hoc conference restriction.
Correct Answer: B
Explanation/Reference:
Reference: https://www.cisco.com/c/en/us/support/docs/voice-unified-communications/unified-communications-manager-express/107626-cme-toll-fraud.html
The reference link is not related to the question and to B. The right answer is D
D is correct
https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/admin/12_0_1/featureConfig/cucm_b_cucm-feature-configuration-guide_1201/cucm_b_cucm-feature-configuration-guide_1201_chapter_010000.html
Just search ‘Drop Ad Hoc’
Correct answer is D