mgetty-voice binary package in Ubuntu Focal riscv64

 Vgetty allows you to add answering machine / voicemail capability to all
 the other normal mgetty functions.
 .
 The program 'mgetty' allows you to use a voice modem as an answering
 machine and handling external logins without interfering with outgoing
 calls.
 .
 To create and manipulate voice messages, you need the mgetty-pvftools
 package.

Source package