Appendix A. Glossary

ADSL

Asymmetric Digital Subscriber Line (see Wikipedia for details).

ARP

Address Resolution Protocol (see Wikipedia for details).

BRI

Basic Rate Interface (see Wikipedia for details).

DHCP

Dynamic Host Configuration Protocol (see Wikipedia for details).

DNS

Domain Name System (see Wikipedia for details).

DSP

Digital Signal Processor (see Wikipedia for details).

DTMF

Dual-Tone Multi-Frequency (see Wikipedia for details).

Frame relay

- (see Wikipedia for details).

FTP

File Transfer Protocol (see Wikipedia for details).

FXO

Foreign eXchange Office (see Wikipedia for details).

FXS

Foreign eXchange Station (see Wikipedia for details).

GSM

Global System for Mobile communications (see Wikipedia for details).

H.323

- (see Wikipedia for details).

HDLC

High-level Data Link Control (see Wikipedia for details).

HDSL

High bit rate Digital Subscriber Line (see Wikipedia for details).

HTTP

HyperText Transfer Protocol (see Wikipedia for details).

HTTPS

- (see Wikipedia for details).

IAX

Inter-Asterisk eXchange (see Wikipedia for details).

ICMP

Internet Control Message Protocol (see Wikipedia for details).

IP

Internet Protocol (see Wikipedia for details).

IPsec

IP security (see Wikipedia for details).

ISDN

Integrated Services Digital Network (see Wikipedia for details).

LAN

Local Area Network (see Wikipedia for details).

LAPB

Link Access Protocol, Balanced (see Wikipedia for details).

LAPD

Link Access Procedures, D channel (see Wikipedia for details).

MAC

Media Access Control (see Wikipedia for details).

NAT

Network address translation (see Wikipedia for details).

OSPF

Open Shortest Path First (see Wikipedia for details).

PAT

Port address translation (see Wikipedia for details).

PBX

Private Branch eXchange (see Wikipedia for details).

PCI

Peripheral Component Interconnect (see Wikipedia for details).

POTS

Plain Old Telephone Service (see Wikipedia for details).

PPP

Point-to-Point Protocol (see Wikipedia for details).

PPPoE

Point-to-Point Protocol over Ethernet (see Wikipedia for details).

PRI

Primary Rate Interface (see Wikipedia for details).

PTSN

Public Telephone Switched Network (see Wikipedia for details).

QoS

Quality of Service (see Wikipedia for details).

RIP

Routing Information Protocol (see Wikipedia for details).

RJ11

- (see Wikipedia for details).

RJ45

- (see Wikipedia for details).

SDLC

Synchronous Data Link Control (see Wikipedia for details).

SIP

Session Initiation Protocol (see Wikipedia for details).

SMTP

Simple Mail Transfer Protocol (see Wikipedia for details).

SNMP

Simple Network Management Protocol (see Wikipedia for details).

SNTP

Simple Network Time Protocol (see Wikipedia for details).

SSL

Secure Socket Layer (see Wikipedia for details).

SSH

Secure Shell (see Wikipedia for details).

STUN

Simple Traversal of UDP through NATs (see Wikipedia for details).

TCP

Transmission Control Protocol (see Wikipedia for details).

TDM

Time-Division Multiplexing (see Wikipedia for details).

TELNET

Telecomminication Network (see Wikipedia for details).

UDP

User Datagram Protocol (see Wikipedia for details).

USB

Universal Serial Bus (see Wikipedia for details).

VoIP

Voice over IP (see Wikipedia for details).

VPN

Virtual Private Network (see Wikipedia for details).

VRRP

Virtual Router Redundancy Protocol (see Wikipedia for details).

X.25

- (see Wikipedia for details).

xDSL

Digital Subscriber Line (see Wikipedia for details).