What prevents toll fraud on voicemail ports?

A. IP address trusted list on the PSTN gateway

B. CSS

C. Block OffNet to OffNet Transfer service parameter

D. FAC








 

Suggested Answer: B

Reference:
https://www.cisco.com/c/en/us/support/docs/unified-communications/unity-connection/119337-technote-cuc-00.html

This question is in 300-810 Implementing Cisco Collaboration Applications (CLICA) Exam
For getting Cisco Certified Network Professional Collaboration (CCNP Collaboration) Certificate




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