autodial, autodialer A telephone device that makes possible a service feature whereby a call is automatically made in response to a brief input signal from the user; such as, the pressing of a button. Found on http://www.wordinfo.info/words/index/info/view_unit/262/6
1) Telephone timesaver 
autodial, autodialer A telephone device that makes possible a service feature whereby a call is automatically made in response to a brief input signal from the user; such as, the pressing of a button.