What is a feature of Cisco OfficeExtend? Select exactly 1 answer (s) from the following:
A.
It extends an office phone number to a home telephone line.
B.
It helps to ensure that certain devices, such as a baby monitor and voice over Wi-Fi, can
coexist in the wireless spectrum.
C.
It allows a user to roam securely across networks.
D.
It allows users to be connected to the office on mobile devices without having to log in to
the VPN.