go on the air vs telephone

go on the air

telephone

verb
  • To convey (a message) via telephone. 

  • To (attempt to) contact someone using a telephone. 

noun
  • A telecommunication device (originally mechanical, and now electronic) used for two-way talking with another person (now often shortened to phone). 

  • The game of Chinese whispers. 

  • Chinese whispers; a situation in which an initial message has been distorted and misunderstood by being passed from person to person. 

How often have the words go on the air and telephone occurred in a corpus of books? (source: Google Ngram Viewer )