Which two items must be supported on the VoWLAN phones to take full advantage of this WLAN configuration?

Refer to the exhibit.

Which two items must be supported on the VoWLAN phones to take full advantage of this WLAN configuration? (Choose two.)
A . TSPEC
B . SIFS
C . 802.11e
D . WMM
E . APSD

View Answer

Answer: C,D