Joe has a small office and is looking to replace his phone system with a lower cost solution that
requires minimal in-house support. Which of the following is the BEST choice?

A.
Wide Area Network

B.
NAT

C.
Virtual PBX

D.
Virtual LAN

Explanation:

Virtual PBX,a business phone system providing call routing, follow-me calling, voice-mail, fax-mail,
and ACD queues with no customer installed equipment.