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.
STANDARD published on 15.3.1985
Designation standards: BS 6789-3.1:1985
Note: WITHDRAWN
Publication date standards: 15.3.1985
The number of pages: 12
Approximate weight : 36 g (0.08 lbs)
Country: British technical standard
Category: Technical standards BS