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