Glossary:

ATIS Telecom Glossary

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NMA

Navigational Message Authentication

Nmap

A security-violating, network-scanning tool that can scan a network using a variety of protocols, can operate in stealth mode, and can automatically identify remote operating systems.

nmi

Abbreviation for nautical mile.

NML

Network Management Layer

NMS

Network Management System

NNI

Network-to-Network Interface

NNSP

New Network Service Provider

NNTP

Abbreviation for network news transfer protocol. An application protocol that provides the means to transfer files for computer conferences. [After 2382-pt.35]

no circuit (NC)

A call-disposition category for a call attempt that does not find an available outgoing trunk. [T1.207-1998]

no circuit double prime (NC&qout;)

An SIT (special information tone) classification for call attempts that fail to find an available long distance service provider outgoing trunk. [T1.207-1998]

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