Apparatus with one or more particular functions for connection to public switched telephone networks run by certain public telecommunications operators. Specification for general requirements.
STANDARD published on 29.2.1984
Designation standards: BS 6789-1:1984
Note: WITHDRAWN
Publication date standards: 29.2.1984
The number of pages: 12
Approximate weight : 36 g (0.08 lbs)
Country: British technical standard
Category: Technical standards BS