Which three midmarket business situations bring the best opportunities for Cisco Business Edition 6000 implementation? (Choose three.)
A. businesses with an existing IP-based PBX deployment
B. businesses with an aged TDM phone system implementation
C. businesses that recently merged with or were acquired by a large enterprise
D. businesses with an existing phone system maintenance contract expiring
E. businesses that are moving their headquarters office
F. businesses that are changing their primary type of business
