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The Alliance for Telecommunications Industry Solutions, 01/01/2015
Publisher: ATIS
File Format: PDF
$147.00$294.32
Published:01/01/2015
Pages:16
Vertical Service Code Assignment Guidelines
$120.00 $240.07
Personal Communications Services (PCS) 5YY NXX Code Assignment guidelines
$118.00 $236.01
Guidelines for the Administration of Telephone Numbers
$109.00 $219.96
Metrics Characterizing Packet-Based Network Synchronization
$87.00 $175.00