Which action is correct with respect to toll fraud prevention configuration in the Cisco Unified Communications Manager Express?
A . Configure Direct Inward Dial for Incoming ISDN Calls with overlap dialing.
B . Configure IP Address Trusted Authentication for Incoming VoIP Calls.
C . Configure the command no ip address trusted authenticate under “voice service voip”.
D . Enable Secondary Dial tone on Analog and Digital FXO Ports.
Answer: B
Explanation:
Reference: ttps://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucme/admin/configuration/manual/cmeadm/cmetoll.html#concept_ECC4F4E7ED0F45C594B703EEF34762F2