Which two are features of Cisco Unified Communications Manager Business Edition 6000?
(Choose two.)
A.
It supports Cisco Unified Contact Center Express.
B.
It is backwards compatible, which means that it will run on old Cisco MCS hardware
C.
It runs on the Cisco MCS 7890 hardware.
D.
It unifies desk phone, wireless phone. IP phone, and instant messaging.
E.
It has capacity for 75 to 300 users and supports up to 10 sites
Explanation: