Scam. Robot left a message, which says something like: "We've monitoring you credit card account for the last 6 months. Congratulations. On you excellent payment history, you now qualify for a 0% interest rate on all your credit card accounts. If you completed this process or is not interested, please press 3 now. Otherwise press 1 now to speak to our qualification department and complete the process. The qualification process can be completed in a few minutes."