हिंदी中文简中文繁EnglishРусский
Login Sign Up
English-Hindi > listening key

listening key meaning in Hindi

sound:  
listening key sentence in Hindi
TranslationMobile

श्रवण कुंजी
listening    ध्यान देना श्रवण
key    मूल व्याख्या
Examples
1.Early manual switchboards required the operator to operate listening keys and ringing keys, but by the late 1910s and 1920s, advances in switchboard technology led to features which allowed the call to be automatically answered immediately as the operator inserted the answering cord, and ringing would automatically begin as soon as the operator inserted the ringing cord into the called party s jack.


How to say listening key in Hindi and what is the meaning of listening key in Hindi? listening key Hindi meaning, translation, pronunciation, synonyms and example sentences are provided by Hindlish.com.