A draft amendment to BS 6789-1:1984 "Apparatus with one or more particular functions for connection to the British Telecommunications public switched telephone network. Part 1. Specification for general requirements"— 8 стр.
Apparatus with one or more particular functions for connection to certain public switched telephone networks. Specification for series connected apparatus, Apparatus having maximum allowable impairments— 16 стр.
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— 12 стр.
Specification for general requirements for apparatus for connection to public switched telephone networks run by certain public telecommunication operators— 44 стр.
Specification for modems for connection to public switched telephone networks and speech band private circuits run by certain public telecommunications operators— 16 стр.
Apparatus with one or more particular functions for connection to public switched telephone networks run by certain public telecommunications operators, Specification for general requirements— 12 стр.
Apparatus with one or more particular functions for connection to public switched telephone networks run by certain public telecommunications operators, Specification for apparatus with loudspeaking facilities— 24 стр.
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— 18 стр.
Draft standard to match to and work with ETS 300 001/NET4 "Apparatus with one or more particular functions for connection to public switched telephone networks run by certain public telecommunications operators". Specification for general requirements— 20 стр.
