BS 6450-7:1990
Withdrawn
Private branch exchanges for connection to public switched telephone networks run by certain public telecommunication operators Specification for the procedure for in-service observation of PBXs undergoing type approval
Hardcopy , PDF
English
10-28-1990
05-01-2009
Specifies the assessment of PBXs against the integrity of service requirements in BS 6450-1:1983 and the observation of PBXs against appropriate Parts of BS 6450 under operational conditions.
| Committee |
W/-
|
| DevelopmentNote |
Inactive for new design. (08/2001) Supersedes 89/94511 DC and BS 6450-7(1984) (09/2005)
|
| DocumentType |
Standard
|
| Pages |
14
|
| PublisherName |
British Standards Institution
|
| Status |
Withdrawn
|
| Supersedes |
| 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 6450-6.1:1993 | Private branch exchanges for connection to public switched telephone networks run by certain public telecommunications operators. Simple call-routeing mode (SCRM) Specification for the simple call-routeing mode of PBX operation, with terminating stations treated as an entirety |
| BS 6450-1:1993 | Private branch exchanges for connection to public switched telephone networks run by certain public telecommunications operators Specification for general requirements |
| BS 4778(1979) : LATEST | QUALITY VOCABULARY |
| BS 6450-6.1(1986) : 1986 |
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