The Avaya 4406D+ Telephone is a business phone set from the Avaya Merlin Magix series. It features a digital display with 6 buttons, amplified sound, conference capabilities, a headset jack, and a handset intercom system. This white speaker phone is designed for office use and provides a reliable communication solution for businesses. With its advanced features and interface options (DSL/Phone), the Avaya 4406D+ Telephone is a versatile choice for professional settings.