Binary package “mgetty-pvftools” in ubuntu focal

Programs for listening and manipulating pvf and rmd files

 This package contains different utilities from the vgetty package which
 permit to create, listen and manipulate rmd or pvf files. These files are
 the recorded "message files" for using a voice modem as an answering
 machine.
 .
 You will want to install this package to create your greeting messages.