BS 6450-5.1:1993
Withdrawn
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
Hardcopy , PDF
English
02-15-1993
05-01-2009
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 |
W/-
|
| 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Withdrawn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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