Which of the following is provided by the Cisco CallManager Express? (Choose all that apply.)
A.
A head-end Enterprises PBX voice solution in IOS.
B.
An enterprise class traditional PBX system.
C.
Integrated Call Processing in IOS providing Key System and Hybrid Feature Set functionality for < 120 station market.
D.
A cost effective IP telephony solution for a small business supported across all Cisco (two)
E.
All of the above.