Says they're from the IRS with final notice before beginning court proceedings.

Another Indian based scam, now using a computer to speak for them and hide their thick accents.

I received 3 calls within 3 hours from this lady that said she was calling for IRS

Called them back and it was a whole scam about owning money to the IRS.  Without seeing the reason for why money is owed and they wanted payment via a gift card.  It's total crap. Don't bother calling back.

Received call from this number and automated voicemail only identifying telephone number.