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The Alliance for Telecommunications Industry Solutions, 01/01/2009
Publisher: ATIS
File Format: PDF
$122.00$244.32
Published:01/01/2009
9YY NXX Code Assignment Guidelines
$127.00 $256.00
Usage Data Management for Packet-Based Services Service Neutral Architecture and Protocol Requirements
$135.00 $270.80
Integrated Services Digital Network (ISDN) Management Basic Rate Physical Layer (formerly T1.216-1998 (R2007) )
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Operator Services Technical Report
$136.00 $272.20