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Integrated Services Digital Network (ISDN); Advice of Charge (AOC) supplementary service; Digital Subscriber Signalling System No. one (DSS1) protocol; Part 4: Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing (PIXIT) proforma specification for the user (Endorsed by AENOR in July of 2003.)
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STANDARD published on 1.7.2003
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Designation standards: UNE-EN 300182-4V1.4.1
Publication date standards: 1.7.2003
SKU: NS-1110649
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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