Nowadays, voice-over-Wi-Fi services become widely used in a wireless network, so they
can be frequently met in our daily lives. The following options are some examples. Choose
two situations for Voice over Wi-Fi services application. (Select two.)
A.
A retail store improves communications among its employees regardless of their location
on the sales floor.
B.
Guests visiting a hospital can have their cellular calls forwarded to the patient’s room.
C.
A university can provide secure access to visitors no matter where they move about on
campus.
D.
A hotel can reroute calls to wherever employees are located, if they are not at their
desks.