I, Dr. A. O. Shaw, Ph.D. purchase an ATT-CLP99486, ATT 4 Handset System with Answering, for a total cost of USD$174.79- Taxes, 3-year warranty. Order #: FOS9855892E, on 11/6/2019. Phones do not work. I called several times to Tel: [protected]. the people who answer the phone say, "we do not make the phones, call AT&T." Today, August 23, 2021 I called the following: AT&T Tel: [protected], in the USA told to call. Tel: [protected] for Land Line Support. Mr. Jarvia Kedarnat in Columbia, South America asked about 50 questions and said he does not handle this, call Tel: [protected] a Non-Customer Department. Mr. Alex gave me: Tel: [protected], Tel: [protected], Tel: [protected]. None of these people that work for AT&T would respond to my concerns that I need a refund. The phones do not work.