A customer reports that the Cisco UCM toll-fraud prevention does not work correctly, and the customer is receiving charges for unapproved international calls as a result. Which two configuration changes resolve the issues? (Choose two.)
A.
Use Cisco Unified Border Element to debug the calls.
B.
Disable call forwarding on the phone.
C.
Make the calls route through a firewall.
D.
Mark patterns as off-net or on-net.
E.
Modify the Block OffNet to OffNet Transfer service parameter.
For the option Block OffNet to OffNet Transfer to work correctly we also need to classify the route patterns correctly. So for answer E to work we also need to do answer D.
I'd say correct answers are B & E.
D says mark patterns as Off-net or On-net. Marking them as On-net wouldn't really help.
It is possible, and somewhat common for users to forward their phones to an INTL number (such as family member), go home, call their desk phone number (a free local call) and have it connect to their family member in another country.
A might be useful to troubleshoot the issue but the question is asking what will resolve the issue. The only two options that make sense for that are D & E
We can classify the calls as offnet on route patterns and then enable the service parameter to block offnet to offnet calls
upvoted 2 times
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