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The Alliance for Telecommunications Industry Solutions, 12/01/2009
Publisher: ATIS
File Format: PDF
$113.00$226.49
Published:01/12/2009
Pages:35
NPA Allocation Plan & Assignment Guidelines
$146.00 $292.06
Thousands-Block (NPA-NXX-X) & Central Office Code (NPA-NXX) Administration Guidelines
$125.00 $251.58
Structure for the Identification of Telecommunications Connections for Information Exchange
$55.00 $110.00
5G Network Assured Supply Chain
$137.00 $275.00