ASCOM VoWiFi System System Description page 6

System Description
Ascom VoWiFi System
QAM
QoS
QPSK
RADIUS
RF
Roaming
RSVP
RTCP
RTP
RTSP
SAP
SDP
SIP
SOHO
TDMA
TPC
TSPEC
UNII
Unite
Unite CM
VoIP
VoWiFi
WEP
WiFi
7 September 2011 / Ver. G
Quadrature Amplitude Modulation:
16-QAM has 16 possible signal states with each symbol representing
4 bits. 64-QAM has 64 possible signal states with each symbol
representing 6 bits.
Quality of Service:
defines to what extent transmission rates, error rates etc. are
guaranteed in advance.
Quadrature Phase-Shift Keying
Remote Authentication Dial-In User Service:
a standard protocol for authentication servers.
Radio Frequency
The process of moving a VoWiFi Handset from one AP to another when
moving within the network.
Resource Reservation Protocol:
a QoS signalling protocol that nails down a channel through an IP
network based on the session ID.
Real-Time Control Protocol
Real-Time Protocol
Real-Time Streaming Protocol
Session Announcement Protocol,
Session Description Protocol
Session Initiation Protocol
Small Office/Home Office
Time Division Multiple Access
Transmit Power Control
Traffic Specification
Unlicensed National Information Infrastructure
Ascom messaging platform. A generic term for a messaging system
that unites different systems, for example System 900, System 9d,
and VoWiFi.
Unite Connectivity Manager:
Unite module that enables messaging and alarm handling in a WLAN
system. It also includes the Device Manager.
Voice over Internet Protocol:
the technology used to transmit voice conversations over IP.
Voice over Wireless Fidelity:
a wireless version of VoIP and refers to IEEE 802.11a, 802.11b,
802.11g, or 802.11n network.
Wired Equivalent Privacy encryption keys:
the original security standard used in wireless networks to encrypt the
wireless network traffic.
WiFi is a term developed by the Wi-Fi Alliance®
local area network (WLAN) products that are based on the Institute of
Electrical and Electronics Engineers' (IEEE) 802.11 standards. Today,
most people use WiFi as a reference to wireless connectivity.
TD 92313EN
a
to describe wireless
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