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The Alliance for Telecommunications Industry Solutions, 03/23/2018
Publisher: ATIS
File Format: PDF
$121.00$242.29
Published:23/03/2018
Integrated Services Digital Network (ISDN) - Call Hold Supplementary Service (formerly T1.616-1992 (R2009) )
$110.00 $220.72
Private ISDN Networking
$30.00 $60.00
Digital Subscriber Signalling System No.1 (DSS1) - Layer 3 Overview (formerly T1.615-1992 (R2009) )
$113.00 $226.93
ISDN - Multi-Level Precedence and Preemption (MLPP) Service Capability
$165.00 $330.00