Answering machine sound is a term used to describe the various sounds that are heard when using an answering machine. The crossword solutions for this term include 'TONE' (4 letters), 'BEEP' (4 letters), 'Tones' (5 letters), 'Rec' (3 letters), and 'MENU' (4 letters), 'ERASE' (5 letters). TONE and Tones refer to the sound of a telephone ringing, BEEP is the sound of a button being pressed, Rec is short for Record, MENU is the sound of a MENU being accessed, and ERASE is the sound of a message being deleted.