Which two statements describe a dual-mode phone, such as the Apple iPhone 4S with iOS 5.0, in relation to Cisco VoWLAN? (Choose two.)
A. It contains dual 2.4-GHz and 5-GHz radio.
B. It contains dual cellular and 2.4-GHz radio.
C. It contains dual cellular and 5-GHz radio.
D. The default software enables voice on VoWLAN.
E. It requires additional software to enable VoWLAN.
