PD 6563:1992
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BS 6789-3.2:1987. Apparatus with one or more particular functions for connection to certain public switchedtelephone networks. Apparatus with auto-calling, auto-answering and auto-clearing facilities. Specificationfor auto-answering and auto-clearing facilities
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BS 7606:1992
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Specification for social alarm system apparatus for connection to public switched telephone networks
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PD 6567:1992
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BS 6833-1:1987 AMD1. Apparatus using cordless attachments (excluding cellular radio apparatus) for connection toanalogue interfaces of public switched telephone networks. Specification for general requirements
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PD 6571:1992
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BS 6789-2:1992. Apparatus with one or more particularfunctions for connection to public switched telephone networks run bycertain public telecommunication operators. Specification forapparatus with loudspeaking facilities
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BS 6789-3.2:1987
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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
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PD 6569-1:1992
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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
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BS 6833-5:1991
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Apparatus using cordless attachments (excluding cellular radio apparatus) for connection to analogue interfaces of public switched telephone networks Specification for the cordless elements within PBX apparatus with analogue interfaces to the PSTN and terminating stations treated as an entirety
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BS 6833-1:1987
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Apparatus using cordless attachments (excluding cellular radio apparatus) for connection to analogue interfaces of public switched telephone networks Specification for general requirements
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BS 6833-2:1992
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Apparatus using cordless attachments (excluding cellular radio apparatus) for connection to analogue interfaces of public switched telephone networks Specification for cordless telephone apparatus using radio links
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BS 6328-1:1985
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Apparatus for connection to private circuits run by certain public telecommunication operators Specification for apparatus for connection to speechband circuits
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PD 6562:1992
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BS 6789-3.1:1985. Apparatus with one or more particular functions for connection to the BritishTelecommunications public switched network. Part 3. Apparatus with auto-calling, auto-answering and auto-clearing facilities. Specification for auto-calling facilities
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BS 6789-2:1984
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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
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BS 6789-7:1988
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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
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PD 6561:1992
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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
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BS 6940-1:1989
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Total Access Communication System (T.A.C.S) Specification for performance requirements for mobile stations
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BS 6403:1983
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Specification for simple telex terminals using single channel voice frequency signalling for connection to British Telecommunications telex network
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BS 6789-3.1:1985
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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
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BS 6789-6.1:1986
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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
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BS 6789-1:1984
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Apparatus with one or more particular functions for connection to public switched telephone networks run by certain public telecommunications operators Specification for general requirements
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PD 6564:1992
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BS 6789-6.1:1986. Apparatus with one or moreparticular functions for connection to certain public switchedtelephone networks. Specification for series connectedapparatus. Apparatus having maximum allowable impairments\'
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