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24IP
DIGITAL KEY TELEPHONE SYSTEM USER’S GUIDE
52
Commonly used Telephony Acronyms
The speed dial data that is saved by attendant station (and may be available
system wide)
System Speed Dial
Uniform Call Distribution (a Hunt Group method)
UCD (Group)
Universal Night Answer (allows a station to pick up a ringing CO (Line) call)
UNA
Voice Mail Group (for external, or adjunct, Voice Mail Devices)
VM or VM Group or Voice Mail Group
The table that is saved the day working time and work finish time during week
Weekly Time Table
Wireless Hand Telephone Unit (System Wireless DECT telephone terminal)
WHTU
Plain Ordinary Telephone Service (of a Public Exchange)
POTS
The first programmed attendant among the main attendant
System Attendant
An extension (terminal) of IP LDK
Station
Station, an extension (terminal) of IP LDK
STA
A System or Station index used for saving Co (Line) dialling data
Speed Bin
Station Message Detail Record (provides detailed station log information about
incoming/outgoing CO call)
SMDR
Simplified Message Desk Interface
SMDI
Single Line Telephone
SLT
The serial communication interface protocol
RS-232C
A call distribution method of hunt group.
Ring Group
Ring Back Tone
RBT
Public Switched Telephone Network
PSTN
Primary Rate Interface (ISDN)
PRI
Preferred Line Answer
PLA
The service allowing a station to answer a call ringing at anther station
Pick Up
Program (the abbreviated presentation of 'ADMIN program' or
'station program‘)
PGM
Private Automatic Branch Exchange
PABX
The software service of dialing at the dial pad without lifting handset
On Hook Dialing
An intercom call over an IP network connection
Net Call
Networking) (the software service of QSIG and H.450 networking)
NET
Multiple Subscriber Number of public ISDN network service
MSN
Music On Hold
MOH
Last Number Redial
LNR
Light Emitting Diode
LED
LG Internet Protocol Digital Key Telephone System
IP LDK
Least Cost Routing
LCR
Liquid Crystal Display
LCD
Meaning
Abbreviation / Keywords