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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).
NIIF Reference Document Part XII- Toll Free Industry Test Plan
$144.00 $288.77
Reliability-related Metrics and Terminology for Network Elements in Evolving Communications Networks
$30.00 $60.00
ISDN Management - Data Link and Network Layers (formerly T1.218-1999 (R2004) )
$132.00 $264.83
NGIIF Reference Document Part III- Attachment D- Test Severity Analysis Criteria
$147.00 $295.51
