BS 6789-7:1988

Apparatus with one or more particular functions for connection to public switched telephone networks run by certain public telecommunications operators. Specification for apparatus with call barring facilities.

NORMA vydaná dňa 30.11.1988

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The information about the standard:

Designation standards: BS 6789-7:1988
Note: NEPLATNÁ
Publication date standards: 30.11.1988
The number of pages: 12
Approximate weight : 36 g (0.08 lbs)
Country: British technical standard
Kategória: Technické normy BS