Apparatus with one or more particular functions for connection to public switched telephone networks run by certain telecommunications operators Specification apparatus loudspeaking facilities
€281.00
Apparatus with one or more particular functions for connection to the British Telecommunications public switched telephone network. auto-calling, auto-answering and auto-clearing facilities Specification auto-calling
€172.00
Apparatus with one or more particular functions for connection to certain public switched telephone networks. Specification series connected apparatus having maximum allowable impairments
Apparatus with one or more particular functions for connection to the British Telecommunications public switched telephone network. auto-calling, auto-answering and auto-clearing facilities Specification
€201.00
Apparatus with one or more particular functions for connection to public switched telephone networks run by certain telecommunications operators Specification apparatus call barring facilities
€99.00
Apparatus with one or more particular functions for connection to certain public switched telephone networks. Specification series connected apparatus having less than maximum allowable impairments
€85.00
Specification for telex terminal apparatus for connection to public telecommunications operators' telex networks
€390.00
Specification for marine facsimile receivers for meteorological charts
Apparatus using cordless attachments (excluding cellular radio apparatus) for connection to analogue interfaces of public switched telephone networks Specification the elements within PBX apparatus with PSTN and terminating stations treated as an entirety
Apparatus for connection to public telecommunications systems using the Digital Access Signalling System No. 2 (DASS 2) via a 2048 kbit/s CCITT Recommendation G.703 interface Specification automatic-repeat call attempt facilities
Apparatus using cordless attachments (excluding cellular radio apparatus) for connection to analogue interfaces of public switched telephone networks Specification the simple call routeing mode PBX operation with PSTN and terminating stations treated as an entirety
Apparatus using cordless attachments (excluding cellular radio apparatus) for connection to analogue interfaces of public switched telephone networks Specification apparatus links
Specification for social alarm system apparatus for connection to public switched telephone networks
BS 6305:1992 AMD1. Specification for generalrequirements for apparatus for connection to public switched telephonenetworks run by certain public telecommunications operators
BS 6789-1:1984 AMD1. Apparatus with one or more particular functions for connection to the BritishTelecommunications public switched telephone network. Specification for general requirements
