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The Alliance for Telecommunications Industry Solutions, 07/01/2021
Publisher: ATIS
File Format: PDF
$142.00$284.23
Published:01/07/2021
File Size:1 file , 5.6 MB
This document specifies guidelines for the administration and assignment of Central Office (CO) Codes (NPA-NXX) and Thousands-Blocks (NPA-NXX-Xs) to Local Number Portability (LNP)-capable Service Provider (SPs) within geographic numbering plan areas (NPAs).
Description of Above-Baseline Physical Threats to Telecommunications Links
$140.00 $281.38
$140.00 $281.18
Number Portability Switching Systems
$137.00 $275.00
CORBA Generic Network and NE Level Information Mode (Revision of T1.270-2000)
$122.00 $245.93
