Total scammer...... do not use or say your name when they call, you could end up with unwanted charges that appear on your phone bill, via third party billing... cramming. When a third party phone billing is presented to your phone comapny, the FCC requires they place the charge on your bill, unless you have asked the phone company for third party bill block.
When you try to get the charge removed, the scammer will use your voice, saying your name as proof your authorized the charge.