You are upgrading your Cisco Unity server from version 3.0(4) to version 4.0(4).Which statement is true?

A.
You will need to install SQL, rather than MSDE, on the Cisco Unity server.

B.
You must obtain a new Cisco Unity License file.

C.
You will need to use the Disaster Recovery Backup and Restore utilities to move the Cisco Unity database to version 4.0(4)-supported platform.

D.
You need only to obtain a copy of the Cisco Unity version 4.0(4) software and run Setup.exe.