Addendum: Apologies for the incorrect url given above - "www.titga.gov" appears to be invalid. I must have written down the address incorrectly. But the irs.gov url is correct.
Smooth female robovoice left message I was getting sued by the IRS and to call them. No identification of who she or her company was. I guess the foreign-accented authentic male voice named Charlie Smith wasn't such a good cover.