#telephone_set__telephoneset__telephone  electronic equipment that converts sound into electrical signals that can be transmitted over distances and then converts received signals back into sounds; "I talked to him on the telephone"
  supertype:  electronic_equipment  equipment that involves the controlled conduction of electrons (especially in a gas or vacuum or semiconductor)
  part:  mouthpiece  telephone_receiver
  part of:  telephone_system
  subtype:  desk_phone  a telephone set that sits on a desk or table
  subtype:  dial_telephone__dial_phone  a telephone with a dial for registering the number to be called
  subtype:  extension.telephone_set  an additional telephone set that is connected to the same telephone line
  subtype:  handset__French_telephone  telephone set with the mouthpiece and earpiece mounted on a single handle
  subtype:  pay-phone__payphone__pay-station__paystation  a coin-operated telephone
  subtype:  radiophone__radiotelephone__wireless_telephone  a telephone that communicates by radio waves rather than along cables
     subtype:  cellular_telephone__cellular_phone  a hand-held mobile radiotelephone for use in an area divided into small sections (cells), each with its own short-range transmitter/receiver
  subtype:  telephone_extension__telephoneextension  an additional telephone operating on the same line

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