UUS User to User Signaling. Information carried clear end-to-end by ISDN to enable exchanges
between network subscribers; the ISVPN protocol is contained within this information.
8.21 V
VMU Voice Mail Unit. The integrated voice server provides a voice mailbox for each user, as well
as a general voice mailbox and features such as Personal Assistant, Automatic Attendant
and Audiotex.
VoIP Voice over IP. Term designating voice transmission over a data network using the Internet
protocol.
VoWLAN Voice over WLAN. Term designating voice transmission over a data network using the
WLAN.
VPN Virtual Private Network. Private data network that uses the public telecommunications
infrastructure (e.g. the Internet) while maintaining confidentiality by means of tunneling
protocols and security procedures.
8.22 W
WAN Wide Area Network. A geographically dispersed telecommunications network. The
term WAN is used in contrast to LAN.
WIFI Wireless Fidelity.
WINS Windows Internet Naming Service. In Windows environment, the service that
manages the correspondence between client station names and LAN locations
relative to their IP addresses.
WLAN Wireless Local Area Network. A LAN that provides networking using radio
frequencies rather than wires for communication.
WLAN
association
An association refers to the connection between the WLAN client and the AP. There
are two types of associations: passive scanning and active scanning. In passive
scanning, APs send out information such as SSIDs and supported rates, while the
client passively scans the radio channels for beacons and probe responses. The
client then selects an AP. The client keeps scanning even after the association is
made (to support roaming). In active scanning, clients send out probe requests. If
the probe request contains an SSID, only the APs with the correct SSID will
respond. If the probe request contains a broadcast, all the APs will respond.
WLAN client Any PC, PDA, or phone set that supports the 802.11a and 802.11b/g protocols can
be a WLAN client.
WLAN
handset
A wireless terminal that is connected to the system through a wired Access Point
(AP). The radio connection between the wireless terminal and the AP is specified by
the 802.11 family of specifications. The WLAN handset range includes Alcatel-
Lucent OmniTouch 8118/8128 WLAN Handsets. WLAN handsets are sometimes
referred to as MIPT (Mobile IP Touch) handsets.
Chapter
8
Glossary
3EH21123USAA - Ed. 01 - April 2017 - Installation Manual 207/207
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