• BS 6789-3.1:1985

BS 6789-3.1:1985

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

BSI Group , 03/15/1985

Publisher: BS

File Format: PDF

$80.00$160.02


Specifies requirements for auto-calling facilities incorporated in apparatus and includes requirements for automatic repeat attempts.Cross References:BS 4778BS 6305BS 6317BS 6789:Part 1CCITT Recommendation T.30CCITT Recommendation V.25 Telecommunications Act 1984

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