The BT BT Duet 20 Corded Trimline Telephone in Chalk White is a stylish and reliable home phone with a single phone line. With features like call indicator, call waiting, last number redial, recall, and secrecy, this telephone provides convenience and functionality for everyday use. Manufactured by BT and covered by a 1-year warranty, the BT Duet 20 is a top choice for those looking for a dependable corded telephone for their home.