Which three statements about Cisco Unified Communications Manager are true? (Choose three.)
A.
It supports the full range of collaboration services only on Cisco devices
B.
It supports the full range of collaboration services on Cisco and third-party devices.
C.
It is used only to support voice routing and calling
D.
It replaces the analog technology of PBX with a centralized IP-based communications
infrastructure.
E.
It is at the center of the Cisco collaboration architecture.
F.
It combines the analog technology of PBX with a centralized IP-based communications
infrastructure.