I just heard the voicemail. Horrible robot-like voice of an automated mssg, and same thing, the message claimed to be from the IRS filing a lawsuit against us, and that I should immediately call them. A couple of days ago I got a call from someone from IRS as well, but this time was a lady with a barely understandable accent, no phone number provided and the ID came as "unknown caller", she said I qualified for some treasury bonds, so I just told them I knew it was a scam and I was going to report it. Not sure if they're connected, and mysteriously I got this other call... just be aware and do not provide any personal information to anybody!