Telephone calls from families and units are often harassed by bored people, affecting the body and mind, and delaying work. Use a telephone answering machine, let it answer the call first, and it will play the voice of the other party, so as to prevent harassment from disturbing the phone.

The core and magnetic tape of the tape recorder are easy to be damaged, and the tape needs to be fed and rewinded repeatedly when querying, so it can not be retrieved quickly. Therefore, this answering machine is not convenient to use and has poor reliability.