 The Hush-A-Phone was like a mini megaphone created in 1920  for slipping over the candlestick phone.The Ericofon, or Cobra Phone is a plastic one-piece telephone, in the candlestick/upright style, created by the Ericsson Company and marketed throughout the second half of the 20th century.It was the first commercially marketed telephone design to incorporate the dial and headset into a single unit.