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BS 6789-3.1:1985

$86.31

Apparatus with one or more particular functions for connection to the British Telecommunications public switched telephone network. Apparatus with auto-calling, auto-answering and auto-clearing facilities – Specification for auto-calling facilities

Published By Publication Date Number of Pages
BSI 1985 12
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Specifies requirements for auto-calling facilities incorporated in apparatus and includes requirements for automatic repeat attempts.

BS 6789-3.1:1985
$86.31