This number is linked to Convergent Outsourcing which is a company claiming that you owe money from an unpaid debt.  If you search through Google you will see that they are scam artist, also they will tell you to check with the Better Business Bureau (BBB) and when you check with the BBB it has an ALERT WARNING and the BBB has not rated this as an accredited business reason being is that there is not enough information on this company.  BEWARE THIS COMPANY IS A SCAM!!!!