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Cross References:
BS 6305
BS 6450:Part 1
BS 6450:Part 2
BS 6450:Part 7
CCITT Recommendation P.64
Telecommunications Act 1984
 

Document History

  1. BS 6450-6.1:1993

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    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

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  2. BS 6450-6-6.1:1986


    Private branch exchanges for connection to public switched telephone networks run by certain public telecommunication operators. Simple call-routing mode (SCRM).-Specification for the simple call-routing mode of PBX operation, with terminating stations treated as an entirety

    • Historical Version