This business phone set from Transtel, model DK1, is a professional and reliable option for any office. With its advanced TCI technology, users can expect clear and uninterrupted communication. The phone set is designed for business use, with features like call waiting, speed dial, and conference calling. The series DK1 is known for its durability and longevity. The phone set is suitable for a variety of industries, including business and industrial settings. It is a great addition to any office looking to enhance their communication system. The Transtel TD DK1-D/G TCI phone is a valuable investment for professionals who require a dependable phone set.