BS
Showing 4261–4275 of 10891 results
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Sale!
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Private branch exchanges for connection to public switched telephone networks run by certain public telecommunications operators. Specification for private branch exchanges with terminating stations treated as an entirety
Published by Publication Date Number of Pages BSI 02/15/1993 32 BS 6450-2
$91.44 -
Sale!
-40%
Private branch exchanges for connection to public switched telephone networks run by certain public telecommunication operators. Direct dialling in on private branch exchanges. Specification for direct dialling in on private branch exchanges with terminating stations treated as an entirety
Published by Publication Date Number of Pages BSI 01/15/1993 34 BS 6450-3.1
$91.44 -
Sale!
-40%
Private branch exchanges for connection to the British Telecommunications public switched telephone network. Facilities on private branch exchanges. Specification for facilities on private branch exchanges with terminating stations treated as an entirety
Published by Publication Date Number of Pages BSI 02/15/1993 32 BS 6450-5.1
$91.44 -
Sale!
-40%
Private branch exchanges for connection to public switched telephone networks run by certain public telecommunications operators. Simple call-routeing mode (SCRM). Specification for the simple call-routeing mode of PBX operation, with terminating stations treated as an entirety
Published by Publication Date Number of Pages BSI 02/15/1993 20 BS 6450-6.1
$64.01
