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BS 6450-5.1:1993

Withdrawn
Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

Private branch exchanges for connection to the British Telecommunications public switched telephone network. Facilities on private branch exchanges Specification for facilities on private branch exchanges with terminating stations treated as an entirety
Available format(s)

Hardcopy , PDF

Withdrawn date

01-05-2009

Language(s)

English

Published date

15-02-1993

Specifies requirements for facilities on PBXs within the scope of BS 6450-2:1993. This standard has been presented for designation under the Telecommunications Act 1984.

Committee
I/-
DevelopmentNote
Inactive for the new design. Supersedes 91/94268 DC (09/2005)
DocumentType
Standard
Pages
32
PublisherName
British Standards Institution
Status
Withdrawn
Supersedes

BS 6450-2:1993 Private branch exchanges for connection to public switched telephone networks run by certain public telecommunications operators Specification for private branch exchanges with terminating stations treated as an entirety
BS 6450-3.1:1993 Private branch exchanges for connection to public switched telephone networks run by certain public telecommunication operators. Direct dialling in on private branch exchanges Specification for direct dialling in on private branch exchanges with terminating stations treated as an entirety
BS 6450-4:1993 Private branch exchanges for connection to public switched telephone networks run by certain public telecommunications operators Specification for ports

BS 6789-2:1984 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 4669:1971 Specification for an artificial ear of the wide band type for the calibration of earphones used in audiometry

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