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The Alliance for Telecommunications Industry Solutions, 08/24/2018
Publisher: ATIS
File Format: PDF
$116.00$232.38
Published:24/08/2018
Pages:48
Integrated Services Digital Network (ISDN) - User-to-User Signaling Supplementary Service (formerly T1.621-1992 (R2009) )
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Signaling System No. 7 (SS7) - Intermediate Signaling Network Identification (ISNI)
$72.00 $145.00
Integrated Services Digital Network (ISDN) - Basic Access Interface for S and T Reference Points (Layer 1 Specification)
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TCIF-EDI General Procurement, Issue 3
$327.00 $655.00