Male voice (slightly slurred as if high or drunk??) asking to speak to the owner. When pressed for a company name and what the call was in regards to, he said it was "local yellow book" and something about advertising (like I said-- slurred speech, was hard to understand.).
Likely the standard cramming scheme for tacking bogus charges on our phone bill. I refused to play along with his script and told him very firmly not to call back. We'll see.