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The Alliance for Telecommunications Industry Solutions, 02/01/2009
Publisher: ATIS
File Format: PDF
$136.00$272.37
Published:01/02/2009
Thousands-Block (NPA-NXX-X) & Central Office Code (NPA-NXX) Administration Guidelines
$112.00 $225.69
Product Marking Implementation Guideline
$137.00 $275.00
NPA Code Relief Planning and Notification Guidelines
$122.00 $244.59
Distributed Single Phase Cooling – Standardized Infrastructure
$72.00 $145.00