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The Alliance for Telecommunications Industry Solutions, 10/01/2021
Publisher: ATIS
File Format: PDF
$134.00$269.18
Published:01/10/2021
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).
Electronic Communications Interactive Agent Functional Specification
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Supplement to ATIS-0600403.1999(R2007) - Network and Customer Installation Interfaces - DS1 Electrical Interface
$15.00 $30.00
PIC Major Release 3.1
$17.00 $35.00
High bit rate Digital Subscriber Line - 2nd Generation (HDSL2/HDSL4) Issue 2 (Revision of T1.418-2000)
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