Who called from 3122792125

Continually calls every day ... typically in pairs - about 5 minutes apart.  Never leaves a message.

I keep getting calls from this number, asking for me.  I don't identify myself but I put them in my voice mail.  They never leave a message.  I hear a room full of operators in the background so I'm guessing this is a crap call.

Called every day for the last three weeks.  I've never answered and they have never left a message.  Comes up as SETTLEMENT PLAN.

Comes up as "Illinois call" on my caller ID at the office.

They keep calling my job and I dont understand anything they are saying, sounds like foreigners.