Avaya 5410 Digital Telephone designed for use with Avaya Communication Manager or Avaya IP Office systems. This professional-grade desktop office phone features a large 5-line by 29-character display, 12 programmable feature buttons, and a high-quality full-duplex speakerphone. Includes the original handset, coiled cord, line cord, and the 5410 telephone stand with instructions. This unit is ideal for high-call volume environments, offering dedicated buttons for hold, transfer, conference, and redial, along with a message waiting indicator.