What two statements would you give to a telecommunications manager concerned about voice support? (Choose two.)

A.
Cisco specifically hires and trains voice professionals.

B.
With a converged network, voice support is not really needed.

C.
Cisco can provide you with a variety of support options customized to your needs.

D.
Your own staff can be trained to provide any needed voice support.

E.
Cisco high-availability features virtually eliminate the need for support.