The answering machine is also called the answering machine. It consists of an automatic answering machine and an automatic recorder. When there is a telephone call, if the host is not present, the answering machine will automatically start and tell the host's message to the other party. And record the other party's message, and the host will operate the answering machine to listen to the other party's message after returning.

The former is a paragraph said by the owner of the telephone for automatic response to the caller; The latter is a paragraph said by the caller for the host to listen to. The "host message" will be used repeatedly after it is recorded. When the telephone rings several times (usually four times), the answering machine will automatically work. First, connect the phone and play the "host message" and then emit a "beep". The answering machine will record the caller's voice, and the other party will automatically stop when hanging up, and then prepare for the next answer.