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The Alliance for Telecommunications Industry Solutions, 10/26/2018
Publisher: ATIS
File Format: PDF
$17.00$35.00
Published:26/10/2018
File Size:1 file , 380 KB
Thousands-Block (NPA-NXX-X) & Central Office Code (NPA-NXX) Administration Guidelines
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North American Numbering Plan Numbering Resource Utilization/Forecast (NRUF) Reporting Guidelines
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WEA 3.0 Practical Hints for Alert Originators
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