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Integrated Services Digital Network (ISDN); Supplementary service interactions; Digital Subscriber Signalling System No. one (DSS1) protocol; Part 1: Protocol specification (Endorsed by AENOR in February of 2004.)
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STANDARD published on 1.2.2004
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Designation standards: UNE-EN 300195-1V2.1.1
Publication date standards: 1.2.2004
SKU: NS-1110675
Approximate weight : 300 g (0.66 lbs)
Country: Spanish technical standard
Category: Technical standards UNE
Latest update: 2026-11-14 (Number of items: 2 210 114)
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