Lucent Technologies 8.2 Benutzerhandbuch
DEFINITY ECS Release 8.2
Administrator’s Guide
Administrator’s Guide
555-233-506
Issue 1
April 2000
Glossary and abbreviations
1646
NANP
North American Numbering Plan
narrowband
A circuit-switched call at a data rate up to and including 64 kbps. All nonwideband switch calls are consid-
ered narrowband.
ered narrowband.
native terminal support
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).
ally map call appearances and feature buttons onto some other natively supported terminal type).
NAU
Network access unit
NCA/TSC
Noncall-associated/temporary-signaling connection
NCOSS
Network Control Operations Support Center
NCSO
National Customer Support Organization
NEC
National Engineering Center
NEMA
National Electrical Manufacturer’s Association
NETCON
Network-control circuit pack
network
A series of points, nodes, or stations connected by communications channels.
network-specific facility (NSF)
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.
applies only when Call-by-Call Service Selection is used to access a public-network service.
network interface
A common boundary between two systems in an interconnected group of systems.
NFAS
See
Nonfacility-associated signaling (NFAS)
.
NI
Network interface
NID
Network Inward Dialing
NM
Network management
NN
National number
node
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).
or terminal (they originate or terminate a transmission path).