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Glossary
Terms that are on use on this site.

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N

There are 6 entries in the glossary.


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Term Definition
Network ElementAs defined in the Telecommunications Act of 1996, a facility or equipment used in provisioning a telecommunications service. The term may include the features, functions and capabilities of that facility or equipment.
 
Network NodeIn a topological description of a network, a point of junction of the links. Switching center used in data networks, particularly in the context of packet-switching.
 
Network Operations Center (NOC)An operations center, open 24 hours a day and 7 days a week, that oversees and coordinates management of the switching network; it manages the status of the network and coordinates the use of network trunking capacity. In case of problems, the NOC sets restoration priorities and coordinates restoration activities.
 
NPASee Numbering Plan Area.
 
Number PortabilityThe ability of telecommunications service users to retain, at the same location, existing telephone numbers without impairment of quality, reliability, or convenience when switching from one telecommunications carrier to another.
 
Numbering Plan Area (NPA)

An NPA is referred to as an area code. There are two general categories of NPAs:

  • Geographic NPA -- Associated with a defined geographic area; all telephone numbers bearing such an NPA are associated with services provided within that geographic area.

  • Non-Geographic NPA -- Associated with a specialized telecommunications service, which may be provided across multiple geographic NPA areas; for example 800, 900, 700, 500 and 888. Also known as a Service Access Code or SAC Code.
 


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