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The Alliance for Telecommunications Industry Solutions, 07/01/2004
Publisher: ATIS
File Format: PDF
$141.00$283.40
Published:01/07/2004
Pages:5
Thousands-Block (NPA-NXX-X) & Central Office Code (NPA-NXX) Administration Guidelines
$105.00 $211.53
North American Numbering Plan Numbering Resource Utilization/Forecast (NRUF) Reporting Guidelines
$122.00 $245.73
WEA 3.0 Practical Hints for Alert Originators
$55.00 $110.00
$112.00 $225.69