What two network components allow external video endpoints to enter Cisco Unified MeetingPlace video meetings? (Choose two.)
Select 2 response(s).
A.
Cisco Unified Communications Manager 4.X
B.
Cisco IOS voice gateway
C.
Cisco Unified Border Element
D.
Cisco Unified Videoconferencing 3545 H.323-to-H.323 Gateway
E.
MGCP voice gateway