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Integrated Services Digital Network (ISDN); Completion of Calls to Busy Subscriber (CCBS) 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
STANDARD published on 30.6.1998
Designation standards: ETSI EN 300359-4-V1.2.4
Publication date standards: 30.6.1998
SKU: NS-308791
The number of pages: 30
Approximate weight : 90 g (0.20 lbs)
Country: European technical standard
Category: Technical standards ETSI
Latest update: 2025-07-09 (Number of items: 2 207 504)
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