As a Voice Engineer, Which Two Recommendations Do You to Make

Multiple Choice

As a voice engineer, which two recommendations do you to make to your company to optimize Cisco Unified Communications Manager configuration to reduce the number of toll fraud incidents? (Choose two.)

A) Classify all route patterns as on-net and prohibit on-net to on-net call transfers in Cisco Unified CM service parameters.
B) Classify all route patterns as off-net and prohibit off-net to off-net call transfers in Cisco Unified CM service parameters.
C) Classify all route patterns as on-net or off-net and prohibit off-net to off-net call transfers in Cisco Unified CM service parameters.
D) Inbound CSS on any gateway typically should have access to internal destinations and PSTN destinations.
E) Inbound CSS on any gateway typically should have access to internal destinations only and not PSTN destinations.