568B cable

568B cable

802.1Q

802.1Q

802.1X

802.1X

AAL5

ATM Adaptation Layer

ACLs

Access Control Lists

Acquisitio

Acquisition / Reacquisition Time

ActiveX

ActiveX

Address mask

Address mask

ADSL

Asymmetric Digital Subscriber Line

AEC

Acoustic Echo Cancellation

AES

Advanced Encryption Standard

AFH

Adaptive Frequency Hopping

AIN

Advanced Intelligent Network

a-law

G.711 a-law

AMPS

Advanced Mobile Phone Service

ANI

Automatic Number Identification

AppleTalk

Apple Talk

ARP

Address Resolution Protocol

ASCII

ASCII

ATM

Asynchronous Transfer Mode

Auto-MDIX

Auto-MDIX

AWG

American Wire Gauge

B channel

Bearer channels

Baseband

Baseband

Baud

Baud

BBS

BBS

Binary File

Binary File

BIOS

Basic input/output system

B-ISDN

Broadband ISDN

BOOTP

Bootstrap Protocol

BRI

Basic Rate Interface

Bridge

Bridge

Broadband

Broadband

Cache

Cache

Call Bumping

Call Bumping

Caller ID

Caller ID

Cascade

Cascade

CCK

Complementary Code Keying

CDR

Call Detail Record

CHAP

Challenge/Handshake Authentication Protocol

Chat

Chat

CLIP

Calling Line Identification Presentation

CLIR

Calling Line Identification Restriction

CNG

Comfort Noise Generation

CO

Central Office

CODEC

Voice encoding / decoding mechanism

Cold Start & Warm Start

Cold Start & Warm Start

CPE

Customer Premises Equipment

CSMA/CA

Carrier Sense Multiple Access/Collision Avoidance

CSMA/CD

Carrier Sense Multiple Access/Collision Detection

D channel

Data channel

Daisy chain

Daisy chain

Data Rate

Data Rate

DB-9

DB-9 connector (officially the DE-9)

DDC

Display Data Channel

DDC2B

DDC2B

DDNS

Dynamic Domain Name System

Default Gateway

Default Gateway

DGPS

Differential GPS

DHCP

Dynamic Host Configuration Protocol

DID

Direct Inward Dialing

DMS/DMS100

DMS/DMS100

DMT

Discrete Multi-Tone

DMZ

DMZ

DNIS

Dialed Number Identification Service

DNS server

Domain Name System

DOD

Direct Outward Dialing

Domain Name

Domain Name

DoS

Denial of Service Attack

Dot matrix printer

Dot matrix printer

Downstream rate

Downstream rate

dpi

Dots Per Inch

DSCP

Differentiated Services (DiffServ) Code Point

DSLAM

Digital Subscriber Line Access Multiplex

DSSS

Direct Sequence Spread Spectrum

D-sub connectors

D-SUBminiature connectors

DTMF

Dual Tone Multi-Frequency

DVI

Digital Visual Interface

Dynamic IP Addresses

Dynamic IP Addresses

E164

E164 standard

EGNOS

European Geostationary Navigation Overlay System

E-mail Address

E-mail Address

EMS

Element Management System

Encapsulation

Encapsulation

Encrypation

Encryption

ENUM

ENUM

Ethernet

Ethernet

External bus

External data bus

Fast Connect

Fast Connect

Fax

FACSimile

Female connector

Female connector

FHSS

Frequency Hopping Spread Spectrum

FSK

Frequency-shift keying

FS-VDSL

Full Service VDSL

FTP

File Transfer Protocol

Full-duplex

Full-duplex

FXO

Foreign eXchange Office

FXS

Foreign eXchange Station

G.165/G.168

G.165/G.168

GDI printer

GDI printer

GFSK

Gaussian Frequency Shift Keying Modulation

GPS

Global Positioning System

Group 3 fax/modem

Group 3 fax/modem

GUI

Graphical User Interface

H.225

Call Signaling for H.323

H.235

H.235

H.245

H.245 protocol

H.323

H.323

H.324

H.324

H.450

H.450

Hackers and Crackers

Hackers and Crackers

Half-duplex

Half-duplex

Handshaking

Handshaking

HCRP

Hardcopy Cable Replacement Profile

HDTV

High Definition TV

Hop count

Hop count

Host-based printer

Host-based printer

Hot key

Hot key

HTML

Hypertext Markup Language

http

Hypertext Transfer Protocol

Hue

Hue

ICMP

Internet Control Message Protocol

IEEE

Institute Electrical Electronics Engineers

IGMP

Internet Group Management Protocol

IN

Intelligent Network

Internet address

Internet address

IP

Internet Protocol

IP address

IP address

IP PBX

IP PBX

IP Spoofing

IP Spoofing

IPP

Internet Printing Protocol

IPSec

IP Security

IPX

Internetwork Packet Exchange

ISDN

Integrated Services Digital Network

ISP

Internet Service Provider

ITU

International Telecommunications Union

ITU-T

International Telecommunications Union

IVR

Interactive Voice Response

K56flex

K56flex

LAN

Local Area Network

LCD

Liquid Crystal Display

Lights out server room

Lights out server room

Line Card

Line Card

Line Extension (Repeater)

Line Extension (Repeater)

Line matrix printer

Line matrix printer

LMP

Link Manager Protocol

Load Balance

Load Balance

Loop-start

Loop-start

LPD/LPR

Line Printer Daemon/Line Printer Remote

lpm

Lines Per Minute

MAC

Media Access Control address

Male connector

Male connector

MCU

Multipoint Control Unit

MGCP

Media Gateway Control Protocol

MHz

MegaHertZ

MIB

Management Information Base

Modem

MOdulator-DEModulator

MRU

Maximum Receive Unit for receiving packets

MSS

Maximum segment size

MTU

Maximum Transmission Unit or Maximum Transfer Unit

mu-law

G.711 mu-law

Multicast

Multicast

Multi-link PPP

Multi-link PPP

NAT

Network Address Translation

NetBEUI

NetBios Extended User Interface

NetWaiting™

NetWaiting (a BVRP application)

NI-1

National ISDN 1 standard

NI-2

National ISDN 2

NT-1

Network Termination-1

NT-2

Network Termination-2

NVT

Network Virtual Terminal

OFDM

Orthogonal Frequency Division Multiplexing

OSD

On-Screen Display

OSI

Open System Interconnection

OSPF

Open Shortest Path First

Outbound Proxy

Outbound Proxy

PABX

Private Automatic Branch Exchange

Packet Filter

Packet Filter

PAP

Password Authentication Protocol

Parallel

Parallel

Payload

Payload

PBX

Private Branch Exchange

PCI

Peripheral Component Interconnect

Peer-to-peer

Peer-to-peer, or abbreviated P2P

PIM

Personal Information Manager

Pin

Pin

Pixel

Picture Element

Plotter

Plotter

POE

Power of Ethernet

Port

Port

POTS

Plain Old Telephone Service

PPP

Point-to-Point-Protocol

PPPoE

Point-to-Point Protocol over Ethernet

PRI

Primary Rate Interface

Protocol

Protocol

PS/2 connector

PS/2 connector

PSTN

Public Switched Telephone Network

Q.931

Q.931

QoS

Quality of Service

Queue

Queue

R interface

R interface

RADIUS

Remote Authentication Dial-In User Service

RAM

Random Access Memory

RAP

Rate Adaption Protocol

RARP

Reverse Address Resolution Protocol

RAS

Registration, Admission, and Status protocol

Remote server

Remote server

Rendezvous

Rendezvous

Resolution

Resolution

RFC

Request for Comments

RIP

Routing Information Protocol

Route

Route

Router

Router

Routing table

Routing table

RS232

RS232

RTCP

Real-time Transport Control Protocol

RTP

Real-time Transport Protocol

RVS-COM™

RVS-COM™

S/T interface

S/T interface

SDP

Session Description Protocol

SDRAM

Synchronous DRAM

Serieal port

Serial port

Server

Server

SIP

Session Initiation Protocol

SMB

SMB

SNMP

Simple Network Management Protocol

SNTP

Simple Network Time Protocol

SOCKET

SOCKET

Soft-switch

Soft-switch

SPIDs

Service Profile IDs

Spoofing

Spoofing

SPP

Serial Port Profile

Static IP Address

Static IP Address

Stereo

Stereophonic sound

STP

Spanning-Tree Bridge Protocol

STUN

Simple Traversal of UDP through NAT

Subnet

Subnet

Subnet Mask

Subnet Mask

SVGA

Super VGA

SXGA

Super Extended Graphics Array

T.38

ITU-T Recommendation

TA

Terminal Adapter

TAM

Telephone and answering machine

TCP/IP

Transmission Control Protocol

TE1

Terminal Equipment 1

TE2

Terminal Equipment 2

Telnet

Telnet

TFT LCD

TFT LCD

TFTP

Trivial File Transfer Protocol

TKIP

Temporal Key Integrity Protocol

Transparent bridging

Transparent bridging

Trap

Trap

U interface

U interface

UDP

User Datagram Protocol

UNI signaling

User Network Interface signaling

Unicast

Unicast

UPnP

Universal Plug and Play

USB

Universal Serial Bus

Utility

Utility

UXGA

Ultra Extended Graphics Array

V.110

V.110

V.120

V.120

V.44

V.44

V.90

V.90

V.92

V.92

VAD

Voice Activity Detector

VC

Virtual Connection

VDSL

Very high bit-rate Digital Subscriber Line

VESA

Video Electronics Standards Association

VGA

Video Ggraphics Array

Virtual Server

Virtual Server

VLAN

Virtual Local Area Network

VPN

Virtual Private Network

VSWR

Voltage Standing Wave Ratio

VTP

VDSL Termination Processing

VTPD

VTP and Decoding

WAAS

WAAS satellite coverage

WAN

Wide Area Network

WDS

Wireless Distribution System

WEP

Wired Equivalent Privacy

Wizard

Wizard

WPA

Wi-Fi Protected Access

X.25

X.25

X.75

X.75

XGA

Extended Graphics Array

Xmodem

Xmodem