PD 6563:1992
Withdrawn Specification
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PD 6563:1992

BS 6789-3.2:1987. Apparatus with one or more particular functions for connection to certain public switchedtelephone networks. Apparatus with auto-calling, auto-answering and auto-clearing facilities. Specificationfor auto-answering and auto-clearing facilities
No description.

Technical characteristics

Publisher British Standards Institution (BSI)
Publication Date 10/31/1992
Cancellation Date 08/02/2013
Page Count 8
Themes Telephone systems
EAN ---
ISBN ---
Weight (in grams) ---
No products.

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