Which action can you take to prevent users from transferring external calls to external devices?

Which action can you take to prevent users from transferring external calls to external devices?
A . Enable the Block OffNet to OffNet Transfer feature in Cisco Unified Communications Manager
B . Block the National route pattern.
C . Remove the route pattern to prevent inbound calls from matching the gateway.
D . Create a new translation pattern to block external call transfer.

View Answer

Answer: A