This caller left a voice message for someone who is not me, identified themselves as Stacy Jackson saying:

"A notice for immediate service of process has been taken against you. If you have charges and a claim has been filed.  At this point you do have an opportunity to contact our mediation firm to discuss this matter.  You can reach that office at (843) 531-9283."

Searching for (843) 531-9283 brings up reports of scams.