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Glossary

0800 Service

1000BASE-T (Gigabit)

100BASE-T

10BASE-T

ADSL

ADSL 2 (+)

Analog

Anti-Virus

Asynchronous

ATM (Asynchronous transfer mode)

Attendant

Auto Attendant

B channel

Balun

Bandwidth

Baud

Bit

BPS

Broadband

Byte

Call Forwarding

Call Hold

Call Park

Call Transfer

Call Waiting

Caller ID

Camp-on

Card

Carrier Detect

CCITT (Consultative Committee on International Telegraph and Telephone

Cellular

CLIP

CLIR

CO (Central Office)

Codec (Coder/Decoder)

Communciations Program

Compress

Conference Call

CTS

CTS/RTS

D Channel

Data Compression

Data Transmission rate

dB

DCE

DDI (Direct Dialling Inward)

Dedicated Exchange Line or DEL

DID (Direct Inward Dialing)

Digital

Digital Switch

DSR

DTMF (Dual Tone Multi Frequency Signaling)

DTR

Duplex

EEPROM

Encoder/Decoder

Error Correction

Ethernet

ETSI

Fax

Fiber optic

Firewall

Flow control

Full Duplex

Gateway

GPRS

Group III Fax

GSM

Half Duplex

Handover

Hybrid

Interconnect

IP

ISDN (Integrated Services Digital Network)

ISDN2e

ISDN30e

ISO

IT services

ITU

IVR (Interactive Voice Response)

Jack or LJU (Line Jack Unit)

Key Telephone System

LAN (Local Area Network)

LLU

Local Loop

Loop Start

Microsoft

Microsoft Office 365

Modem

Modem (Modulator-Demodulator )

Multiplexed Channel

Multiplexing

Mux

Network

Network Architecture

Network Interface

OEM (Original Equipment Manufacturer)

Off-Hook

Off-Line

On-Hook

On-Line

Open Standard

Open System

Operating System

Packet

Packet Switched Network

Packet Switching

Paging

PBX (2)

PBX (Private Branch Exchange)

Port

POTS Lines (Plain Old Telephone Service Lines)

Private Line

Private Network

Proprietary System

Protocol

PSTN

Public Switched Network

Pulse Dialing

Queue

Real Time

Redundancy

Remote Access

Remote Call Forwarding

Reset

Router

SIM

SIP

Speed Dial

Station

Station Hunting

Stu

Switched Line

Switching

Synchronous Transmission

TCP/IP (Transmission Control Protocol/Internet Program)

TDM

TDMA

Telecommunications

Telecommuting

Teleconference

Telemarketing

Telephony

Terminal

Tie Line

Token Ring

Toll Restriction / Call Barring

Tone Dialing

Transmit Level

Trunk

Turnkey

Twin-Axial Cable

Twisted Pair

UART

UMTS

Videoconferencing

Voice Digitization

Voice Mail

VPN (Virtual Private Network)

WAN (Wide Area Network)

WAP

WWW