Which two statements about how PBX architectures compare to Cisco Unified
Communications are true? (Choose two.)

A.
Cisco Unified Communications offers advanced, integrated applications such as
presence and integrated video.

B.
A PBX architecture offers advanced, integrated applications such as presence and
integrated video

C.
Cisco Unified Communications decreases costs of MACs

D.
A PBX offers increased security.

E.
Cisco Unified Communications provides historical reporting, unlike traditional PBXs