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The Alliance for Telecommunications Industry Solutions, 03/01/2009
Publisher: ATIS
File Format: PDF
$141.00$283.56
Published:01/03/2009
Pages:9
Next Generation Network (NGN): Security Mechanisms and Procedures
$135.00 $270.97
Thousands-Block Number (NXX-X) Pooling Administration Guidelines (TBPAG)
$133.00 $266.19
Central Office Code (NXX) Assignment Guidelines (COCAG)
$113.00 $227.85
$110.00 $220.00