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The Alliance for Telecommunications Industry Solutions, 04/01/2023
Publisher: ATIS
File Format: PDF
$103.00$207.20
Published:01/04/2023
File Size:1 file , 5.5 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).
Asymmetric Digital Subscriber Line (ADSL) Transceivers Based on ITU-T Recommendation G.992.1
$30.00 $60.00
Recommended Plan for Expanding the Capacity of the North American numbering Plan
$12.00 $25.00
In-Line Filter for Use with Voiceband Terminal Equipment Operating on the Same Wire Pair with High Frequency (up to 12 MHz) Devices (formerly T1.421-2001 (R2006) )
$87.00 $175.00
Information Interchange - Structure and Coded Representation of National Security and Emergency Preparedness (NS/EP) Telecommunications Service Priority (TSP) Codes for the North Telecommunications System (formerly T1.211-2001 (R2006) )
$141.00 $283.69
