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The Alliance for Telecommunications Industry Solutions, 03/01/2023
Publisher: ATIS
File Format: PDF
$148.00$296.96
Published:01/03/2023
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).
International Inbound NPA (INT/NPA/NXX) Assignment Guidelines
$148.00 $297.03
Equipment Surface Temperature
$30.00 $60.00
Guidelines for Environmental Testing and Evaluation of Communication Equipment
Electrical Protection for Fast Access to Subscriber Terminals (G.fast)
$72.00 $145.00
