hop on vs ring in

hop on

verb
  • To join a phone call or video call. 

  • Used other than figuratively or idiomatically: see hop, on. 

  • To begin playing a video game. 

ring in

verb
  • To make a phone call to (this place). 

  • To encircle, to surround in a ring, engirdle. 

  • To celebrate by ringing of bells or as if by ringing of the bells. 

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