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The Alliance for Telecommunications Industry Solutions, 02/01/2005
Publisher: ATIS
File Format: PDF
$146.00$292.74
Published:01/02/2005
Metrics Characterizing Packet-Based Network Synchronization
$87.00 $175.00
International Inbound NPA (INT/NPA/NXX) Assignment Guidelines
$130.00 $261.56
$122.00 $244.37
NPA Code Relief Planning and Notification Guidelines
$131.00 $263.85