ETSI ETS 300121-ed.1

Integrated Services Digital Network (ISDN); Application of the ISDN User Part (ISUP) of CCITT Signalling System No.7 for international ISDN interconnections (ISUP version 1)

NORM herausgegeben am 22.12.1992

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The information about the standard:

Designation standards: ETSI ETS 300121-ed.1
Publication date standards: 22.12.1992
The number of pages: 9
Approximate weight : 27 g (0.06 lbs)
Country: European technical standard
Kategorie: Technische Normen ETSI