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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).
IPv6 Task Force Report on IPv6 Transition Challenges
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Unified Ordering Model Volume III - Design Issue 4 (LSOG 12)
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Protection of Telecommunications Links from Physical Stress and Radiation Effects and Associated Requirements for DC Power Systems (A Baseline Standard)
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