The vast majority of voicemails that I get from unknown numbers are a prerecorded pitch about improving SCO. Too bad I registered some websites before there were privacy options to prevent personal info from appearing in a whois lookup.
Even better: let me set a list of keywords that flag or delete messages if they appear in the transcription. Sigh.
It’s really great, and you can just keep them on the line if it’s an actual person.