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The Alliance for Telecommunications Industry Solutions, 10/01/2001
Publisher: ATIS
File Format: PDF
$110.00$220.00
Published:01/10/2001
File Size:1 file , 1.1 MB
Note:This product is unavailable in Ukraine, Russia, Belarus
North American Numbering Plan Numbering Resource Utilization/Forecast Reporting (NRUF) Guidelines
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9YY NXX Code Assignment Guidelines
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