Lucent Technologies Definity Enterprise Communication Server 8.2 User Manual

Issue 1

April 2000

Glossary and abbreviations 

1646

 

North American Numbering Plan

A circuit-switched call at a data rate up to and including 64 kbps. All nonwideband switch calls are consid-
ered narrowband.

A predefined terminal type exists in switch software, eliminating the need to alias the terminal (that is, manu-
ally map call appearances and feature buttons onto some other natively supported terminal type).

Network access unit

Noncall-associated/temporary-signaling connection

Network Control Operations Support Center

National Customer Support Organization

National Engineering Center

National Electrical Manufacturer’s Association

Network-control circuit pack

A series of points, nodes, or stations connected by communications channels.

An information element in an ISDN-PRI message that specifies which public-network service is used. NSF 
applies only when Call-by-Call Service Selection is used to access a public-network service.

 A common boundary between two systems in an interconnected group of systems.

See 

Nonfacility-associated signaling (NFAS)

.

Network interface

Network Inward Dialing

Network management

National number

A switching or control point for a network. Nodes are either tandem (they receive signals and pass them on) 
or terminal (they originate or terminate a transmission path).