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BS PD 6569-7:1992
M00000422
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BS PD 6569-7:1992 Draft standard to match to and work with ETS 300 001/NET4 "Apparatus with one or more particular functions for connection to public switched telephone networks run by certain public telecommunications operators". Specification for apparatus with call barring facilities
standard by BSI Group, 10/31/1992
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Cross References:
BS 4778:Part 2
BS 6312
BS 6450:Part 4
BS 6789:Section 6.1
BS 6789:Part 7
PD 6566
PD 6568
PD 6569:Part 1
ETS 300 001
Telecommunications Act 1984