Where has the cellc customer service business ethic gone to

Kindly take note that I allocated 1 star for Cellc only because I needed to get into the review block. In my opinion with Ref to a revolting internal and external customer service experience I encountered with cellc they don't deserve any stars. In fact I was looking at their recent add on TV and I couldn't help but to think how sad it is that the add resembles the poor quality of customer service they practice. I have been with Cellc for 20 years and sadly speaking I can't tell you when they became a service provider with such high levels incompitence. The scarry part is that I keep on receiving demanding letters for outstanding payments on contracts that were cancelled and paid in full and final. Now what makes the Cellc customer service levels and compitence so bizar isthe fact that they issued me with a written notice stating the cancelation was successful and final payment was received. Really now democracy looks like it has influenced cellc with serious bad customer business performance ethics. .