Cisco Multiservice Packet Network Solution Overview
Glossary

Table of Contents

Glossary
A
B
C
D
E
F
G
H
I
L
M
N
O
P
Q
R
S
T
U
V
W

Glossary


A

 

AAA

authentication, authorization and accounting

ACL

Access Control List

ADM

Add/Drop Multiplexer (typically used to interconnect slow links with fast links on an SDH link)

AIS

Alarm Indication Signal

AMI

alternate mask inversion

ATM

Asynchronous Transfer Mode

AUSM

ATM User Service Module (Narrowband)

AXSM

ATM Switch Service Module (Broadband)

B

 

B8ZS

binary 8-zero substitution

BCA

Basic Cabinet

BERT

bit error rate tester

BGP

Border Gateway Protocol

BRA

Basic Rate Access

BRI

Basic Rate Interface

BSH

Basic Service Handler (component of the iMSS Call Agent)

C

 

C12KM

Cisco 12000 Manager

CAC

Call Admission Control

CAR

Cisco Access Registrar

CAS

Communicating Applications Specification

CCD

Clear Channel Data

CCS

Channel Associated Signalling

CDR

Call Detail Record

CEMF

Cisco Element Management Framework

CIF

Cisco Info Center

Cisco IOS

Cisco Internetwork Operating System

CLASS

Custom Local Area Signalling Services

CLASS 4

Telephone switch offering only long distance services

CLASS 5

Telephone switch offering advanced call features and local access

CLEC

Competitive Local Exchange Carrier. Also called Other Local Operator

CLI

Calling Line Identification

CNOTE

Cisco CNS Notification Engine

CNS

Cisco Networking Services

CO

Central Office

codec

coder-decoder

CORBA

Common Object Request Broker Architecture

CoS

class of service

CPE

Customer Premise Equipment

CPS

Centralized Processing Server (component of the iMSS Call Agent)

CS1

Capability Set 1

CSM

Cisco Service Management

CW2K

CiscoWorks 2000

CWM

Cisco WAN Manager

D

 

DFC

Dial Feature Card

DiffServ

Differentiated Services. The use of ToS bits in the IP header to indicate traffic importance and drop preference

DNIS

Dial Number Identification Service

DNS

Domain Name System

DPC

Destination Point Code

DS0

digital service zero (0). 64 Kbps POTS telephone line, encoded using PCM

DSCP

DiffServ Code Point

DSP

Digital Signal Processor

DSS1

Digital Subscriber Signalling System Number 1

E

 

egress

Traffic leaving the network

EMS

element management system

ETSI

European Telecommunications Standards Institute

F

 

FTM

Fault and Trouble Manager

FTP

File Transfer Protocol

G

 

GK

Gatekeeper

GW

Gateway

H

 

HSRP

Hot Standby Router Protocol

I

 

IAD

Integrated Access Device

IAM

Initial Address Message

IFAM

Initial Forward and/or Final Address Message

IGP

Interior Gateway Protocol

ILEC

Incumbent Local Exchange Carrier

iMCP

Intra Module Control Protocol

iMSS

Italtel Multiservice Switching System

IMT

intermachine trunk (trunk used between CLASS 4 switches)

IN

Intelligent Network

INAP

Intelligent Network Application Part

ingress

Traffic entering the network

IOS

See Cisco IOS

IP

Internet Protocol

IPM

Internetwork Performance Monitor

ISDN

Integrated Services Digital Network

IS-IS

Intermediate System-to-Intermediate System

ISM

Interconnection Structure Module (component of the iMSS Call Agent)

ISUP

ISDN User Part

ITP

IP Transfer Point

ITU-T

International Telecommunications Union Telecommunications Standardization Sector

IVR

Interactive Voice Response

IVS

Inter Virtual Switch

L

 

LDAP

Lightweight Directory Access Protocol

LDP

Label Distribution Protocol

LDS

Local Digital Switch (typically a Class 5 switch)

LE

Local Exchange

LER

Label Edge Router

LNP

Local Number Portability

LSR

Label Switch Router

M

 

MGC

Media Gateway Controller

MGCP

Media Gateway Control Protocol, RFC2705. Version 0.1 is the November 1998 version of this RFC, which is available as an (expired) Internet Draft

MMF

multimode fibre

MPLS

Multiprotocol Label Switching

MSC

Mobile Switching Center

MSEM

Multiservice Element Manager

N

 

NAS

network access server

NB

Narrow Band

NMS

Network Management System

NOC

Network Operations Center

NRDB

Network Resource Database

NSE

Named Signaling Events. Used within Voice over IP RTP streams to indicate in-band signaling. Functionally equivalent to AAL2 type 3 packets in AAL2

NTS

Number Translation Service

O

 

O&M

Operations and Maintenance

OLO

Other Local Operator. Also called Competitive Local Exchange Carrier

OMS

Operation and Maintenance Server (component of the iMSS Call Agent)

OPC

Originating Point Code

OPM

Optical Peripheral Module (component of the iMSS Call Agent)

OPT

Open Packet Telephony

OSPF

Open Shortest Path First

OSS

Operations Support System

P

 

P

Provider Router

PABX

private automatic branch exchange (Europe)

PBX

private branch exchange (U.S.)

PC

Point Code

PE

Provider Edge Router

PEB

Pan European Backbone

PHS

Protocol Handling Server (component of the iMSS Call Agent)

PLMN

public land mobile network

PoI

Point of Interconnection

POP

point of presence

POS

Packet Over SONET

POTS

plain old telephone service (typically considered an analog phone connected with an RJ11 jack with normal telephone service)

PRA

Primary Rate Access

PRI

Primary Rate Interface

PSTN

Public Switched Telephone Network

PTT

Public Telephone and Telegraph (typically the major government-owned incumbent telephone company in a country)

PVC

permanent virtual circuit

PXM

Processor Switch Module

Q

 

QoS

Quality of Service

R

 

RADIUS

Remote Authentication Dial-In User Service

RAI

Remote Alarm Indication

RME

Resource Manager Essentials

RPM

Route Processor Module

RSVP

Resource Reservation Protocol

RTCP

Real Time Control Protocol

RTM

Real-Time Monitor

RTP

Real-Time Transport Protocol. Used by Voice over IP to send voice bearer traffic and can also carry CAS traffic using Named Signaling Events (see NSE)

S

 

SASE

Stand Alone Synchronization Equipment

SCM

Service Configuration Manager

SCP

Service Control Point

SDF

Service Data Function

SDH

Synchronous Digital Hierarchy (approximately equivalent to SONET used in US and Japan)

SG

Signalling Gateway

SGCP

Simple Gateway Control Protocol

SIP

Session Initiation Protocol

SLA

Service Level Agreement

SLR

Service Location Register

SLT

Signalling Link Terminal

SMFIR

single mode fibre intermediate range

SMS

Short Message Service

SN

Service Node

SNMP

Simple Network Management Protocol

SONET

Synchronous Optical NETwork

SRCP

Simple Resource Control Protocol

SRI

Send Routing Information

SRM

Service Resource Module

SRM/E

Enhanced Service Resource Module

SS7

Signalling System 7

SSP

Service Switching Point

STM-1

Synchronous Transport Module, level 1 (2,016 DS0s, 155.52 Mb data rate—equivalent to OC-3 used in U.S. and Japan)

STM-4

Synchronous Transport Module, level 4 (8,064 DS0s, 622.080 Mb data rate—equivalent to OC-12 used in U.S. and Japan)

STP

Signal Transfer Point

T

 

TCAP

Transaction Capabilities Application Part

TCP

Transmission Control Protocol

TDM

time-division multiplexing

TDP

Tag Distribution Protocol

TFTP

Trivial File Transfer Protocol

TGW

Trunking Gateway

TMN

Telecommunications Managed Networks

ToS

Type of Service

T/PM

Traffic and Performance Manager

TSC

Transit Switching Center

U

 

UDP

User Datagram Protocol

UGM

Universal Gateway Manager

V

 

V5

ETSI family of interface specifications for connections between Local Exchanges and Access Networks. V5.1 is the specification for multiplex type access networks. V5.2 is the specification for concentrator type networks.

VAD

Voice Activity Detection. Also called "silence suppression"

VC

virtual circuit (virtual channel)

VCI

virtual circuit identifier (virtual channel identifier)

VISM

Voice Interworking Service Module

VLAN

Virtual LAN (local area network)

VoIP

Voice over IP

VP

virtual path

VPI

virtual path identifier

VPN

Virtual Private Network

VPS

Voice Processing System

VTCH

Virtual Termination Call Handler (component of the iMSS Call Agent)

VTN

Virtual Transit Network

W

 

WAN

wide-area network