An account manager is meeting with a customer who is interested in a Cisco IP Communications solution. The customer needs to support a variety of analog devices, voice mail, auto attendant, and 200 users. Which solution should the account manager discuss with this customer?

A.
A full Cisco CallManager solution

B.
A full Cisco CallManager solution with Cisco Unity

C.
Cisco CallManager Express

D.
Cisco CallManager Express with Cisco Unity Express