The Call Center Dictionary: The Complete Guide to Call Center & Customer Support Technology Solutions

Chapter 15: N:Name-Removal Service NXX

NAME-REMOVAL SERVICE
A service of the Direct Marketing Association (DMA) that lets consumers request to be taken off all mailing lists. It's part of their Mail Preference Service, which also lets people add their names to lists.
NANP The North American Numbering Plan
It assigns area codes and sets rules for calls to be routed across North America. (It includes the US, Canada and most of the Caribbean nations).

See also NORTH AMERICAN NUMBERING PLAN NANP..

NAP Network Action Point
An AT&T term describing the switching point through which a call is processed. The NAP switches the call based on routing instructions received from the Network Control Point.
NAPI Numbering/Addressing Plan Identifier
NARROWBAND ISDN
Quite roughly, any ISDN speed up to 1.544 Mbps.
NARROWBAND SIGNAL
Any analog signal or analog representation of a digital signal whose essential spectral content is limited to a voice channel of nominal 4 kHz bandwidth.
NASC Number Administration and Service Center
The organization that administers toll-free number assignments and the national toll-free number database. Right now the NASC is a division of BellCore, with administrative help from a division of Lockheed.
NATIONAL CARRIER
Once upon a time (before 1984) the USA had a national telephone carrier known as the Bell System. The law of the land said only AT&T and the Bell System could carry telephone traffic in the United States, with very few exceptions and even fewer exceptions that weren't at the convenience of the Bell System. The USA no longer has a national...

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