家用有線電話 - 家電
By Connor
at 2021-03-17T15:02
at 2021-03-17T15:02
Table of Contents
家裡有一台市內電話,拿起聽筒有嘟聲,
按數字有號碼產生的音階聲,撥通後可以
聽到撥通中或對方來電答鈴的聲音,但問
題來了,接通後就聽不到對方的聲音了。
相反的對方若打過來,我拿起話筒後也聽
不見對方的聲音 (但對方能聽見我說話),
請問大概是哪裡的問題?如果是聽筒壞,
是可能聽到上述前段的聲音嗎?
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家電
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