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The Alliance for Telecommunications Industry Solutions, 08/01/2018
Publisher: ATIS
File Format: PDF
$125.00$250.88
Published:01/08/2018
9YY NXX Code Assignment Guidelines
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Usage Data Management for Packet-Based Services Service Neutral Architecture and Protocol Requirements
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Integrated Services Digital Network (ISDN) Management Basic Rate Physical Layer (formerly T1.216-1998 (R2007) )
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Operator Services Technical Report
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