"Internal Revenue Service. The reason of this call is to inform you that IRS is filing a lawsuit against you to get more information about this case file. Please call immediately on our department number 917-741-1879. I repeat 917-741-1879. Thank you."
Fraud Telemarketers ... do NOT return their calls.
Fraud group that the IRS really should stop as they do not believe in the Government Do NOT Call list either ... and seem to get away with their fraud schemes.