Specifications

Chapter 7: Reference
Abbreviations and Acronyms
Mitel
®
5000 Installation Manual – Issue 3.0, October 2008 Page 7-13
PS-1 Processing Server
PSTN Public Switched Telephone Network
QoS Quality of Service
REN Ringer Equivalence Number
RFI Radio Frequency Interference
RJ Registered Jack
RMS Root Mean Square
RTC Real Time Clock
RTCP Real-time Transport Control Protocol
RTP Real-time Transport Protocol
Si1, Si2 Names of specific bits in timeslot 0 of an E1 frame
SSH Secure Sh
ell
SIP Session Initiation Protocol
SLA Single-Line Adapter
SLM Single Line Module
SMDR Station Message Detail Recording
SMTP Simple Mail Transfer Protocol
SRA Shared Resource Allocation
SSL Software Site License
T1M Single-port T1/E1/PRI module
T1M-2 Dual-port T1/E1/PRI module
TCP Transmission Control Protocol
TCR Transceiver
TDM Time Division Multiplex
TE Terminal Equipment
TFTP Trivial File Transfer Protocol
TTS Text-to-speech
TX Transmit
UC Unified Communicator
UCD Uniform Call Distribution
UDP User Datagram Protocol
UK United Kingdom
UPS Uninterruptible Power Supply
USA United States of America
USB Universal Serial Bus
USOC Uniform Service Order Code
VAD Voice Activity Detection
VoIP Voice over Internet Protocol
VPU Voice Processing Unit
WAN Wide Area Network
Table 7-16. Abbreviations and Acronyms (Continued)
Abbreviation Spelled-Out Meaning