isdnvboxclient 1:3.25+dfsg1-9ubuntu1 (armhf binary) in ubuntu bionic

 Let your Debian system be your answering machine! Messages can be accessed
 remotely, automatically emailed, etc.
 .
 This package provides the vbox client, with which you can listen to the
 messages recorded by a vbox server (either running on the same machine or
 accessible over the network).