An answering machine is an electronic device that records messages from incoming telephone calls when the recipient is not available. There are several synonyms for the term answering machine, including voicemail, message recorder, answering system, answerphone, voice messaging system, and message capture system. These terms are commonly used interchangeably to refer to the same device. More recently, with the rise of mobile technology, there are also virtual answering machines, which can be downloaded as an app on a cell phone or accessed through a web interface, allowing users to access their messages from anywhere and at any time.