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MCIG5.txt k the MCI Telecommunications Glossary. Look
for more G-philes on MCI by Knight Lightning coming soon to Metal Shop.
ACD Automatic Call Distributor
AIOD Automatic Identification of Outward Dialing
ANI Automatic Number Identification
ARS Automatic Route Selection
ASCII American Standard Code for Information Interchange
ATB All Trunks Busy
AVD Alternate Voice Data
- B -
BOC Bell Operating Company
BSOC Bell System Operating Company
BPS Bits Per Second
- C -
CCIS Common Channel Interoffice Signaling
CCSA Common Control Switching Arrangement
CO Central Office
COAM Customer Owned And Maintained
COS Class Of Service
CPE Customer Premise Equipment
CPH Cost Per Hour
CPM Cost Per Minute
CPU Central Processing Unit
CRT Cathode Ray Tube
CU Control Unit
- D -
dB Decibel
DCTS Dimension Custom Telephone Service
DDD Direct Distance Dialing
DID Direct Inward Dialing
DM Delta Modulation
DTMF Dual Tone Multi-Frequency
- E -
EDP Electronic Data Processing
EEHO Either End Hop Off
EKTS Electronic Key Telephone Set
EML Expected Measured Loss
ENFIA Exchange Network Facilities for Interstate Access
EPROM Erasable Programmable Read Only Memory
EPSCS Enhanced Private Switched Communication Service
ERL Echo Return Loss
ETN Electronic Tandem Network
- F -
FCC Federal Communications Commission
FDM Frequency Division Multiplex
FX Foreign Exchange
- H -
HEHO Head End Hop Off
Hz Hertz
- I -
IMT Inter-Machine Trunk
IOT Inter-Office Trunk
IRC International Record Carrier
- L -
LAN Local Area Network
LATA Local Access and Transport Area
LCR Least Cost Routing
- M -
MDF Main Distribution Frame
MERS Most Economical Route Selection
MG Mastergroup
MOS Metal-Oxide Semiconductor
MTS Message Telephone Service
MU Message Unit
M/W Microwave
- N -
NPA Numbering Plan Area
NNX Numbering Network Exchange
- O -
OCC Other Common Carrier
ONAL Off Network Access Line
OPX Off-Premise Extension
- P -
PABX Private Automatic Branch Exchange
PBX Private Branch Exchange
PCM Pulse Code Modulation
POTS Plain Old Telephone Service
PROM Programmable Read-Only Memory
PSC Public Service Commission
PSN Public Switched Network
PTT Postal Telephone and Telegraph
PUC Public Utility Commision
- R -
RAM Random Access Memory
RCC Radio Common Carrier
ROM Read-Only Memory
- S -
SCC Specialized Common Carrier
SG Supergroup
SMDR Station Message Detail Recording
SMG Supermastergroup
SPC Stored Program Control
SSB Single Sideband Radio
- T -
TEHO Tail End Hop Off
TDM Time Division Multiplex
TMRS Traffic Measurement and Recording system
TSPS Traffic Service Position System
TT Trunk Type
TTTN Tandem Tie Trunk network
TUR Trunk Utilization Report
TWX Teletypewriter Exchange Service
- U -
UCD Uniform Call Distributor
USOC Uniform Service Order Code
- V -
VANS Value - Added Network Service
VP Voice Frequency
VGF Voice Grade Facility
VNL Via Net Loss
This concludes The MCI Telecommunications Glossary. Look for more G-philes on
MCI by Knight Lightning coming soon to Metal Shop.
This has been a 2600 Club production
Thanx to Taran King
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