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Which Cisco Unified Communications Manager default global conference setting should be changed to ensure fraud prevention?
A. Advanced Ad Hoc Conference Enabled
B. Enable Click-to-Conference for Third-Party Applications
C. Drop Ad Hoc Conference
D. Block OffNet to OnNet Transfer
E. MCU Conference Bridge Custom Layout Index
Correct Answer: C
Explanation/Reference:
Explanation:
Cisco Unified Communications Manager Administration provides the clusterwide service parameter, Drop Ad Hoc Conference, to allow the prevention of toll fraud (where an internal conference controller disconnects from the conference while outside callers remain connected). The service parameter settings specify conditions under which an ad hoc conference gets dropped.
Reference: http://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/admin/8_6_1/ccmsys/accm-861-cm/a05confb.html
Drop Ad Hoc Conference: This parameter determines how an Ad Hoc conference terminates. This is an important toll-fraud prevention setting, because inside facilitators can set up a conference call to expensive international numbers and then drop out of the call.