Chew Stone Masonry uses Cisco Unified CallManager and is considering implementing hot-Certkiller at their new quarry office. They also plan to use standard Cisco IP phones. Which Cisco Unified CallManager option will allow this capability?

A.
IPMA

B.
IPIVR on the Cisco Unified CallManager Publisher

C.
Soft phone

D.
IPIVR on the Cisco Unified CallManager Primary Server

E.
Extension mobility

F.
CRS