Apparatus with one or more particular functions for connection to the British Telecommunications public switched telephone network. Apparatus with auto-calling, auto-answering and auto-clearing facilities. Specification for auto-answering and auto-clearing facilities.
NORMA vydána dne 23.12.1987
Designation standards: BS 6789-3.2:1987
Note: NEPLATNÁ
Publication date standards: 23.12.1987
The number of pages: 18
Approximate weight : 54 g (0.12 lbs)
Country: British technical standard
Kategorie: Technické normy BS