v-mail

/V IY1 M EY0 L/
noun
  1. 1

    A computerized interactive system for storing, processing and reproducing verbal messages left through a conventional telephone network.

  2. 2

    (by extension) An individual message on such a system.

Source: https://en.wiktionary.org/wiki/v-mail, https://en.wiktionary.org/wiki/voice%20mail