4 Programming Manual
List of Abbreviations
A
AA Automated Attendant
APT Analog Proprietary Telephone
B
BGM Background Music
BV Built-in Voice Message
C
CO Outside (CO) Line
COS Class of Service
CPC Calling Party Control
D
DIL Direct In Line
DISA Direct Inward System Access
DND Do Not Disturb
DSS Direct Station Selection
DTMF Dual Tone Multi-Frequency
E
EFA External Feature Access
G
GRP Group
I
IRNA Intercept Routing—No Answer
L
LCS Live Call Screening
O
OGM Outgoing Message
P
PT Proprietary Telephone
S
SLT Single Line Telephone
SMDR Station Message Detail Recording
T
TA M Telephone Answering Machine
TRS Toll Re st r i c t i o n
V
VM Voice Mail
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