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BS 6789-7:1988
Apparatus with one or more particular functions for connection to public switched telephone networks run by certain public telecommunications operators, Specification for apparatus with call barring facilities
12 стр.
Отменен
Печатное изданиеПечатная копия
96.77 £ (включая НДС 20%)
Разработчик:
Зарубежные/BSI
ICS:
33.050.10 Telephone equipment / Телефонная аппаратура
Ключевые слова:
Circuits|Telephone switching equipment|Testing conditions|Calling equipment (telephones)|Telecommunication systems|Performance|Communication equipment|Telephony|Telephone systems|Test equipment|Telephone equipment