Refer to the exhibit. What can you determine from the Cisco Unity Connection configuration?
A. 10.1.1.1 is the Cisco Unity Connection server IP address.
B. Authentication must be enabled, or MWI is not displayed on the phones.
C. 10.1.1.1 is the Cisco Unified Communications Manager server IP address.
D. Cisco Unified Communications Manager voicemail ports must begin with "PhoneSystem."