Answer: intercom

AnswerCrossword Clue
INTERCOMSet on a jet
intercommicrophone or receiver of an intercommunication system
intercoma type of communication system
INTERCOMPaging device
INTERCOMPart of a PA system
INTERCOMSchool sound system
INTERCOMOffice squawker
INTERCOMSyst. for sharing ideas
INTERCOMHouse phone
INTERCOMTwo-way sound hookup
INTERCOMSquawk box
INTERCOMOffice hookup
INTERCOMOffice stepsaver.
INTERCOMOffice chatter-box.
INTERCOMSchool communication device
INTERCOMOffice machine
INTERCOMHousehold appliance
INTERCOMOffice speaker system
INTERCOMSquawk-box system
INTERCOMOffice communication device