To prevent elderly people from suffering fraud, installation of AI equipment will be fully subsidized, Chofu, Tokyo. The device connects to your home's landline phone, and automatically alerts your family if a call comes from a phone number other than that of a family member or acquaintance registered in advance.

An alert will be sent to your smartphone via short message. This device will automatically place a call immediately after the fraudulent call asking questions such as "Who were you talking to and what you were talking about" using a pre-recorded real voice.