Abbreviations
A-4
© Samsung Business Communications
Q
QAM Quadrature
Amplitude
Modulation
QoS Quality
of
Service
R
RCM
R2 Caller identification Module
RF Radio
Frequency
RMON Remote
Monitoring
RTP Real-time
Transmission
Protocol
RTPR
Real-time Transmission Protocol Receiver
RTPT
Real-time Transmission Protocol Transfer
S
SIP
Session Initiation Protocol
SLI
Single Line Interface
SMDR
Station Message Detail Recording
SME
Small Medium Enterprise
SMTP
Simple Mail Transfer Protocol
SONET Synchronous
Optical
Network
STP Signalling
Transfer
Point
T
TAPI
Telephony Application Programming Interface
TEPRI
T1 E1 Primary Rate Interface
ToS
Type of Service
TRK Trunk
TTS
Text-To-Speech
U
UA User
Agent
UART
Universal Asynchronous Receiver and Transmitter
UDP
User Datagram Protocol
UMS
Unified Messaging Service
USB
Universal Serial Bus
UTP Unshielded
Twisted
Pair