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Acronyms

3G

3rd Generation cellular data network

4G

4th Generation cellular data network

A
Aaa

Authentication, Authorization and Accounting

AC

Access Concentrator

ACS

Auto Configuration Server

ADSL

Asymmetric Digital Subscriber Line

AES

Advanced Encryption Standard

AGC

Automatic Gain Control

ANI

Automatic Number Identification

AOC-E

Advice of Charge End-of-Call

B
BER

Basic Encoding Rules

Bni

Basic Network Interfaces

BRI

Basic Rate Interface

C
CA

Certification Authority

CAS

Channel Associated Signalling

CC

Country Code

CCBS

Completion of Call to Subscriber

CCNR

Completion of Calls on No Reply

Cdr

Call Detail Record

CDR

Call Detail Record

Cert

Certificate Manager

CHAP

Challenge Handshake Authentication

Cli

Command Line Interface

CLIP

Calling Line Information Presentation

CLIR

Calling Line Information Restriction

CNG

Comfort Noise Generator

CNIP

Calling Name Identity Presentation

COLP

Connected Line Identification Presentation

COLR

Connected Line Identification Restriction

Conf

Configuration Manager

CRout

Call Routing

CS-ACELP

Conjugate Structure-Algebraic Excited Linear Prediction

Cwmp

CPE Wan Management Protocol

D
Dcm

Device Control Manager

DER

Distinguished Encoding Rules

Dhcp

Dynamic Host Configuration Protocol Server

DHCP

Dynamic Host Configuration Protocol

Dhcp

Dynamic Host Configuration Protocol

DNIS

Dialed Number Identification Service

DNS

Domain Name Server

DSCP

Differentiated Services Code Point

DSL

Digital Subscriber Lines

DSS1

Digital Subscriber Signalling System No.1

DST

Daylight Saving Time

DTMF

Dual Tone Multi-Frequency

E
E1

European PRI digital signal carrier. 32 channels (30 voice channels + synchronization and signaling)

Eam

E and M Channel Associated Signaling

EMS

Element Management System

EpAdm

Endpoint Administration

EpServ

Endpoint Services

ETH

Ethernet Manager

F
FCC

Federal Communication Commission

FILE

File Manager

Fpu

Firmware Pack Updater

FQDN

Fully Qualified Domain Name

FSK

Frequency Shift Keying

FXO

Foreign Exchange Office

FXS

Foreign Exchange Service/Station

G
GMT

Greenwich Mean Time

H
HDSL

High-bit-rate Digital Subscriber Line

Hoc

Host Configuration

HTML

Hyper Text Markup Language

HTTP

Hyper Text Transfer Protocol

HTTPS

HTTP over the Transport Layer Security

Hz

Hertz

I
ICMP

Internet Control Message Protocol

IEEE

Institute of Electrical and Electronics Engineers

IETF

Internet Engineering Task Force

IMS

IP Multimedia Core Network Subsystem

IP

Internet Protocol

IP PBX

Internet Protocol Private Branch eXchange

IpRouting

IP routing

IpSync

IP Synchronisation

IPv4

Internet Protocol version 4

IPv6

Internet Protocol version 6

ISDN

Integrated Services Digital Network

Isdn

Integrated Services Digital Network

ITC

Information Transfer Capability

ITSP

Internet Service Provider

ITU

International Telecommunication Union

K
kbps

KiloBits Per Second

L
LAN

Local Area Network

LED

Light Emitting Diode

Lfw

Local Firewall

LNP

Local Number Portability

LLPD-MED

Link Layer Discovery Protocol-Media Endpoint Discovery

LLPD

Link Layer Discovery Protocol

Lldp

Link Layer Discovery Protocol

LQos

Local Quality of Service

M
MAC

Media Access Control

MFC

Multi-Frequency Code

MIB

Management Information Base

MIKEY

Multimedia Internet KEYing

Mipt

Media IP Transport

Moh

Music on Hold

MSN

Multiple Subscriber Number

MTU

Maximum Trasnmission Unit

MWI

Message Waiting Indicator

N
NT

Network Termination. The endpoint on the telephone switch side.

NAT

Network Address Translation

Nat

Network Address Translation

Nfw

Network Firewall

Nlm

Notifications and Logging Manager

Ntc

Network Traffic Control

NTP

Network Time Protocol

O
OCSP

Online Certificate Status Protocol

P
PAP

Password Authentication Protocol

PBX

Private Branch eXchange

PCM

Pulse Code Modulation

Pcm

Process Control Manager

PEM

Privacy Enhanced Mail

PI

Presentation Indicator

PISN

Private Integrated Services Network

POSIX

Portable Operating System Interface

POTS

Plain Old Telephony System

Pots

Plain Old Telephony System Line

PPP

Point-to-Point Protocol

PPPoE

Point-to-Point Protocol over Ethernet

PRACK

Provisional Response Acknowledgement

PRI

Primary Rate Interface

PSTN

Public Switched Telephony Network

Q
QoS

Quality of Service

R
R2

R2 Channel Associated Signaling

Radius

Remote Authentication Dial-In User Service

RADSL

Rate-adaptive Digital Subscriber Line

RFC

Request For Comment

RTCP

Realtime Control Protocol

RTP

Real Time Transport Protocol

S
Sbc

Session Border Controller

SBC

Session Border Controller

Scm

Service Controller Manager

SCN

Switched Circuit Network

SDES

Secure Description

SDP

Session Description Protocol

SHA

Secure Hash Algorithm

SI

Screening Indicator

SIP

Session Initiation Protocol

SipEp

SIP Endpoint

SLA

Service Level Agreement

SNMP

Simple Network Management Protocol

Snmp

Simple Network Management Protocol

SNTP

Simple Network Time Protocol

SRTCP

Secure Real-Time Transport Control Protocol

SRTP

Secure Real-Time Transport Protocol

SSH

Secure Socket Shell

SSL

Secure Socket Layer

STD

Standard Saving Time

STP

Spanning Tree Protocol

T
TBRL

Terminal Balance Return Loss

TCP

Transmission Control Protocol

TCP/IP

Transmission Control Protocol/Internet Protocol

TDM

Time-division multiplexing

TE

Terminal Equipment, the endpoint on the customer side

TEI

Terminal Endpoint Identifier

TelIf

Telephony Interface

TFTP

Trivial File Transfer Protocol

TLS

Transport Layer Security

TON

Type of Number

U
UDP

User Datagram Protocol

UMN

Unit Manager Network

UNI

User-Network Interface

URI

Uniform Resource Identifier

UTC

Universal Time Coordinated

V
VAD

Voice Activity Detector

VLAN

Virtual Local Area Network

VoIP

Voice Over IP

VPN

Virtual Private Network

W
WAN

Wide Area Network

Wi-Fi

Wireless IEEE802.11 a, b or g network

Web

Web

WLAN

Wireless Local Area Network

WINS

Windows Internet Name Service


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