How to prevent callers from leaving voicemails?

[LisaGiraffe]

How do I remove the message system so people cannot leave a message when I don't answer a call?

[incog_ · Accepted solution]

That might be a carrier settings you have to reach out to them.

So digging a little deeper, is this for spam and junk calls ?
Who is your carrier, because certain carrier handle those in different ways?