Crossword clues for the word: BUSYSIGNAL The word BUSYSIGNAL has appeared as an answer to at least 11 crossword clues on different crossword puzzles. Crossword clues for BUSYSIGNAL Showing 1 to 11 of 11 results Clue(s) *Frustrating call response ''Phone in use'' sound "Part of phone tag, sometimes" "Phone's ""try later""" "We need to tone down the decorating," e.g.? A holdup Conversation barrier Semaphore on the go? Sound of a communication failure Telephone sound effect. What you don't get when you make a call anymore