Which three statements about Cisco Unified Communications Manager are true? (Choose
three.)

A.
It replaces the analog technology of PBX with a centralized IP-based communications
infrastructure.

B.
It combines the analog technology of PBX with a centralized IP-based communications
infrastructure.

C.
It is used only to support voice routing and calling

D.
It supports the full range of collaboration services on Cisco and third-party devices.

E.
It supports the full range of collaboration services only on Cisco devices

F.
It is at the center of the Cisco collaboration architecture.