Answer: doorbells

AnswerCrossword Clue
DOORBELLSButlers' prompts
DOORBELLSSome entrance buttons
DOORBELLSRinging devices.
DOORBELLSCaller signalers
doorbellsA bell in a building that can be rung by visitors outside to signal their arrival
doorbellsDOORBELL, a bell at the door