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The Alliance for Telecommunications Industry Solutions, 12/01/2011
Publisher: ATIS
File Format: PDF
$275.00$550.00
Published:01/12/2011
Pages:677
File Size:1 file , 3.1 MB
Note:This product is unavailable in Ukraine, Russia, Belarus
IIF Requirements Guidelines
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Central Office Code (NXX) Assignment Guidelines (COCAG)
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