An engineer has temporarily disabled toll fraud prevention for SIP line calls on a Cisco CME12.6x and must enforce security and toll fraud prevention for the SIP line side on Cisco Unified CME. Which configuration must be used to start this process?
A. voice service voip enable ip address trust list
B. voice service voip ip address trusted list
C. voice service voip ip address trusted authenticate
D. voice service voip enable ip address trust authentication