BS PD 6562 1992 Edition, October 31, 1992
Draft Amendment to BS 6789: Section 3.1: 1985 'Apparatus with One or More Particular Functions for Connection to the British Telecommunications Public Switched Network, Part 3: Apparatus with Auto-Calling, Auto-Answering and Auto-Clearing Facilities, Section 3.1: Specification for Auto-Calling Facilities'
Includes all amendments and changes through Change/Amendment , October 31, 1992
Additional Comments: W/D NO S/S
Published By:British Standards Institution (BSI)
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