
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-calling facilities.
NORMA vydána dne 15.3.1985
    
        Designation standards: BS 6789-3.1:1985
                
                
                
                Note:    NEPLATNÁ
               
                Publication date standards:  15.3.1985
        The number of pages: 12
Approximate weight : 36 g (0.08 lbs)
        Country:          British technical standard
        Kategorie:  Technické normy BS