ETSI ETS 300140-ed.1

Integrated Services Digital Network (ISDN); Call Hold (HOLD) supplementary service; Functional capabilities and information flows

NORMA vydána dne 19.5.1992

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The information about the standard:

Designation standards: ETSI ETS 300140-ed.1
Publication date standards: 19.5.1992
The number of pages: 28
Approximate weight : 84 g (0.19 lbs)
Country: European technical standard
Kategorie: Technické normy ETSI