Which four are Cisco competitors in the area of unified communications and collaboration? (Choose four)

A.
HP

B.
Microsoft

C.
Brocade

D.
Alcatel-Lucent

E.
Juniper

F.
Siemens

G.
Avaya

Explanation:
Business Edition 6000 for Account Managers (BE6KAM)PEC Training Who Are the Main Competitors