Which supported gateway in a Cisco Business Edition 3000 deployment provides SIP trunking capabilities through CUBE Lite?

Which supported gateway in a Cisco Business Edition 3000 deployment provides SIP trunking capabilities through CUBE Lite?

A.
Cisco 800 Series ISR

B.
Cisco 1900 Series ISR

C.
Cisco 3900 Series ISR

D.
Cisco SPA8800

Explanation: