Message was left that IRS is filing a lawsuit.  Clearly fraudulent because you would get a letter, especially if there were any discrepancies, prior to any lawsuit.  The bigger question is who is going to go after these people to shut them down?  There are people out there that might fall for this and loose a lot of money in the midst of the scam.

Most of these calls are coming from India and Pakistan. And this scam has been around for several years now along with different country's getting the same type of scam calls as well.

http://www.irs.gov/uac/Tax-Scams-Consumer-Alerts
http://www.treasury.gov/tigta/contact_report.shtml
http://800notes.com/forum/ta-8c2f64bf2b91fa5/irs-warns-of-telephone-scam

http://bigstory.ap.org/article/4b849c65e54346 ... leader-irs-scam

Report the Calls to the real IRS here:
•report the incident to the Treasury Inspector General for Tax Administration at 800-366-4484.
•You can also file a complaint with the Federal Trade Commission at FTC.gov. Add "IRS Telephone Scam" to the comments in your complaint.

To file complaints on Foreign company's and scams:
http://800notes.com/forum/ta-d20d86fdc3e145c/reporting-international-scams
https://www.econsumer.gov/#crnt
eConsumer.gov: Report Your Complaint
E-mail: econsumerwb@ftc.gov
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Do consider getting a call blocking device or phone.. You can google them and many are around $40.00 or so.If its a cell phone, some already have call blocking, if not, there are free apps on the web that will work for some. You can google this. If you have a smart phone, there is a free app called call control. Iphones appear to have apps also. Another one is called Mr. Number.

For tracfone & straight talk:

https://play.google.com/store/apps/details?id ... .tracfone&hl=en
http://extras.straighttalk.com/en
http://www.youmail.com/home/carriers/straight-talk/block-number
https://www.straighttalkwirelessforum.com/viewtopic.php?f=6803&t=55006

Called and left a message saying there is a warrant for my arrest. That's not how they do things.

Someone from this number keeps calling and when i answer it is a recording that says " irs & this is an unbailable arrest"..so im hearing that its something like a threat so the person or persons will get me in fear enough to give out my credit card or debit card information...please help mane this stop. I believe the Irs will never call you..