BS-6789-2 › 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

BS-6789-2 - AMD 4659 - SUPERSEDED
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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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33.050.10 (Telephone equipment)

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Document Number

BS-6789-2

Revision Level

AMD 4659

Status

Superseded

Publication Date

July 1, 1984