Which two statements about on-premise collaboration solutions are true?(Choose two)

A.
Meetings are delivered as a software-as�a-service.

B.
The solutions provide low, predicable monthly costs.

C.
Customers do not need large upfront investments.

D.
There is no hardware to buy and no software to install.

E.
These solutions facilitate cost savings in case of heavy usage.

F.
Conferencing-related transport costs and service fees can be reduced.