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The Alliance for Telecommunications Industry Solutions, 03/01/2014
Publisher: ATIS
File Format: PDF
$137.00$275.19
Published:01/03/2014
Pages:154
Next Generation Network (NGN): Security Mechanisms and Procedures
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Thousands-Block Number (NXX-X) Pooling Administration Guidelines (TBPAG)
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Central Office Code (NXX) Assignment Guidelines (COCAG)
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