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Abbreviations

The following list contains the abbreviations used in this manual.

A

a/b
Analog Interface, a-wire, b-wire (tip wire, ring wire)
ac
Alternating Current
ACD
Automatic Call Distribution
ACL
Application Connectivity Link
ANSI
American National Standards Institute
AOC
Advice of Charge
AOCD
Advice of Charge During the Call
AOCE
Advice of Charge at the End of the Call
AMHOST
Administration and maintenance from HOST
APS
Application Processor System
ASCII
American Standard Code for Information Interchange

B

bps
Bits per Second
BC
Basic Cabinet
BRI
Basic Rate Interface
BN
Billing Number
BT
British Telecom

C

CBX
Computerized Branch eXchange
CBPC
Central Board Point and Com
CCBS
Completion of Calls to busy Subscribers
CBMOD
Central Board Modular
CCITT
Comite Consultatif International Telegraphique et Telephonique
CCS
Common Channel Signaling, also Hundred Call Seconds
CD
Call Deflection
CDR Call Detail Recording
Call Detail Recording
CDRA
Call Detail Recording Attendant
CDR C
Call Detail Recording Central
CDRS
Call Detail Recording at Station
CDR T
Call Detail Recording per Trunk
CF
Call Forwarding
CFB
Call Forwarding Busy
CFNR
Call Forwarding No Reply
CFU
Call Forwarding Unconditional
CG
Clock Generator
CGM
Clock Generator Module
CH
Call Hold
CIC
Carrier Identification Code
CLIP
Calling Line Identification Presentation
CLIR
Calling Line Identification Restriction
cm
Centimeter
CMI
Cordless Multicell Integration
CO
Central Office
COLP
Connected Line Identification Presentation
COLR
Connected Line Identification Restriction
CONBO
Connection Board
COS
Class of Service
CPN
Calling Party Number
CR
Code Receiver
CSTA
Computer Supported Telecommunications Applications
CT
Call Transfer
CTI
Computer Telephony Integration
CTR
Common Technical Requlations

D

dc
Direct Current
DCD
Data Carrier Detection
DCE
Digital Communications Equipment
DCI
Data Communications Interface
DECT
Digital Enhanced Cordless Telecommunications
DID
Direct Inward Dialing
DISA
Direct Inward System Access
DMDR
Data Message Detail Recording
DMDRI
Data Message Detail Recording for Internal Data Calls
DMI
Digital Multiplexed Interface
DND
Do Not Disturb
DNIS
Dialed Number Identification Service
DP
Data Processor
DSR
Data Set Ready
DSS
Direct Station Selection
DSS1
Digital Subscriber Signalling System Number 1
DTE
Digital Terminal Equipment
DTMF
Dual Tone Multi Frequency

E

EC
Extension cabinet
ECT
Explicit Call Transfer
EMC
Electromagnetic Compatibility
ENB
Electronic NoteBook
EXM
External Music
EXTEB
Extension Board

F

FCM
Flash Memory Card
FW
Firm ware

G

GEE
Board for Charging pulse detection
GSM
Global System for Mobile Communications

H

HCCS
Host Computer Controlled Connection Setup
HDLC
High-level Data Link Communications
Hz

I

IMOD
Integrated Modem
ISDN
Integrated Services Digital Network
ISO
International Standardization Organization

K

kB
Kilobyte
kg
Kilogram
Kbps
Kilobits Per Second

L

LAN
Local Area Network
LCR
Least Cost Routing
LED
Light Emitting Diode
LNR
Last Number Redial

M

Mbps
Megabits Per Second
MB
Megabytes
MCID
Malicious Call Identification
MDF
Main Distribution Frame
MDFU
Main Distribution Frame Universal
MDFU-E
Main Distribution Frame Universal Extended
Mhz
Megahertz
MOH
Music On Hold
MR
Message Registration
MSN
Multiple Subscriber Number
MULAP
Multiple Line Appearance
MW
Message Waiting

N

NACK
Negative Acknowledgment
NANP
North American Numbering Plan
NP
Numbering Plan
NT
Network Termination

O

OPA
Options Adapter
OPS
Off-Premises Stations

P

PABX
Private Automatic Branch Exchange
PaCT
PABX and Computer Teaming
PBX
Private Branch Exchange
PC
Personal Computer
PCB
Printed Circuit Board
PCM
Pulse Code Modulation
PFT
Power Failure Transfer
PIN
Personal Identification Number
PRI
Primary Rate Interface
PSE
Personal Search Equipment
PSUI
Power Supply Unit Individual

R

RAM
Random Access Memory
REAL
Relais and ALUM
RG
Ring Generator

S

SBS
Single Board system
SILAP
Single Line Appearance
SIU
Signaling Unit
SLA
Subscriber Line Module Analog
SLMC
Subscriber Line Module Cordless
SLMR
Subscriber Line Module ROLMLINK
SMDR
Station Message Detail Recording
SNAP
Special Night Answer Position
SOAP
Special Overflow Answer Position
SUB
Subadressing
STLS
Subscriber Trunk Line S0
STMD
Subscriber and Trunk Module Digital S0
STRB
Relay Control Board

T

TA
Terminal Adapter
TAP
Technician Service PC
TAPI
Telephony Application Programming Interface
TIEL
Trunk Module 2-Wire, 4-Wire E&M Signaling
TLA
Trunk Line Analogue
TMAU
Trunk Module Austria
TML
Trunk Module Loop Start
TMOM
Trunk Module Outgoing Multipurpose
TMS2
Trunk Module S2M
T/R
Analog Interface, tip wire, ring wire (a-wire, b-wire)
TSAPI
Telephony Services Application Programming Interface
TST1
T1 interface for OfficeCom
TMST1
T1 interface for OfficePro
TMGL
Trunk Module Ground/Loop start for OfficePro
TMDID
Trunk Module Direct Inward Dial for OfficePro
TMQ
Trunk Module BRI for OfficeCom and OfficePoint

U

UCD
Uniform Call Distribution
UPS
Uninterruptable Power Supply
USVI
Uninterruptable Power Supply Individual
UUS1
User-to-User Signalling

W

LAN
Local Area Network
WAN
Wide Area Network
3PTY
Three Party Service or Conference

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© Siemens AG, München, 1999
Hicom 150 E Office Rel. 1.0-2.2 System Description, 1, 1999-06-18
Siemens Part No.: P31003-M1542-X100-4-7618
Conversion Date: 1999-06-18