I didn't answer this. I've stopped answering calls when a) I don't recognize the number or b) Caller ID says Private Caller or Unknown. Those who listened to the recorded message, was it "Jeff the carpet guy?"
Five "robo calls" since July 2013. Latest Feb 12, 2014. Phone rings couple times - they hang up. Alledgedly a carpet business in Woodland CA.
File a complaint with the FCC. http://www.fcc.gov/complaints This company is using a Google Voice number to send its automated calls.