AMT/PTD/PBX/0058/4/6/EN Installation and Maintenance Manual - Aastra 5000
Page 30 01/2011 Introduction
1.4 Abbreviations
ACD Automatic Call Distribution
AM7450 Aastra Management 7450
LSB Logical Security Block
IVB Integrated Voice Box
CSTA Computer Supported Telecommunications Applications
CTI Computer-Telephone Interface
PTC Positive Temperature Coefficient
DECT Digital Enhanced Cordless Telephony
DISA Direct Inward System Access
DTMF Dial Tone multi frequency
ESF Extended Single Frame
DCTE Data Communication Terminal Equipment
DTE Data Terminal Equipment
FIFO First In First Out
HDLC High-level Data Link Control
IP Internet Protocol
TS Time Slot
LAN Local Area Network
LCR Least Cost Routing
TL Tie-Line
PLL Permanent Logical Link
MEVO MEssagerie VOcale (Voice mail)
MIB Management Information Base
PCM Pulse and Coding Modulation
MOVACS Multi-switch Original Virtual Addressing Communications System
NC Not connected
NTP Network Time Protocol
iPBX IP Private Branch eXchange
MMI Man-Machine Interface
ISDN Integrated Services Digital Network
ROHS Restriction Of the use of certain Hazardous Substances in electrical and
electronic equipment
PSTN Public Switched Telephone Network
DID Direct Inward Dialling
SF Single Frame
SNA Systems Network Architecture
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