PD 6569-3.1:1992
Withdrawn Specification
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PD 6569-3.1:1992

Draft standard to match and work with ETS 300 001/NET4. Apparatus one or more particular functions for connection public switched telephone networks run by certain telecommunications operators. auto-calling, auto-answering auto-clearing facilities Specification auto-calling
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Technical characteristics

Publisher British Standards Institution (BSI)
Publication Date 10/31/1992
Cancellation Date 09/28/2012
Page Count 12
Themes Telephones
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ISBN ---
Weight (in grams) ---
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