STN ETS 300138-4 (870138)

Integrated Services Digital Network (ISDN). Closed User Group (CUG) 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 1.7.2002

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The information about the standard:

Designation standards: STN ETS 300138-4
Classification mark: 870138
Catalog number: 87849
Publication date standards: 1.7.2002
The number of pages: 190
Approximate weight : 601 g (1.32 lbs)
Country: Slovak technical standard
Category: Technical standards STN