电话机提机后受话器中出现杂音的故障大致有两种情况：一是来话时有杂音，没有来话时无杂音；二是不管有无来话，提机后就会听到杂音。对于前者，如果平时通话正常，仅某次来话或某几次来话有杂音，这大多属于对方话机杂音故障。如果每次来话都有杂音，一般是属于自己话机或线 After the telephone machine pick up the receiver noise appears in the fault there are two cases: First, there is a noise when there is no noise when there is no incoming call; Second, regardless of whether there is no answer, the machine will hear noise. For the former, if the normal call is normal, only a single incoming call or a few times there is noise, which are mostly the other side of the phone noise fault. If every time there are noise, usually belongs to their own phone or line