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The Alliance for Telecommunications Industry Solutions, 03/01/2023
Publisher: ATIS
File Format: PDF
$114.00$229.47
Published:01/03/2023
File Size:1 file , 1.2 MB
This document specifies guidelines for the assignment of NXX codes within a 5YY NXX non-geographic Service Access Code (SAC) used for personal communications services.
Unified Ordering Model- Access Service Request UOM-ASR Volume II - Analysis
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P-ANI Administration Guidelines
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Thousands-Block Number (NXX-X) Pooling Administration Guidelines
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Reliability Implications of Emerging Technologies/Services
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