ETSI ETS 300138-4-ed.1

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 30.9.1997

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The information about the standard:

Designation standards: ETSI ETS 300138-4-ed.1
Publication date standards: 30.9.1997
The number of pages: 26
Approximate weight : 78 g (0.17 lbs)
Country: European technical standard
Category: Technical standards ETSI