Who called from 8016562093

Called land line at 6:26 p.m., 03/27/12. Left no message.

Called today and asked if we would accept credit cards and specifically AMEX.  

Once I said yes, ended call.  Was it an attempt to slam me or break into the phone system?  

Caller ID showed " Customer Focus"

Caller ID says Customer Focus, silence on their end.  Search says Salt Lake City, Utah.  I am on Natl Do Not Call List

Getting frequent calls daily from 801-656-2093

These animated turds call every day, and I owe nothing.