on the telephone - definition and synonyms

  1. 1
    using the telephone to talk to someone

    He’s been on the telephone for the past two hours.

    You’re wanted on the telephone (=someone wants to speak to you).

     Synonyms and related words
  2. 2
    provided with a telephone in your home, office etc

    At that time very few people were on the telephone.

See also main entry: telephone