Avaya 1603-I Wired handset 3lines LCD

6.604 cm (2.6 ") White Backlit Display, H.323, Ethernet (10/100) Line, G.711/G.726/G.729A/B, Black The 1600 Series combines the features of traditional and IP phones. All models feature backlit displays, high-quality full-duplex speakerphones, and buttons with dual LEDs (red and green) that give the user easy-to-read status information. They can support from three to 16 line appearance/feature keys and display up to four lines. These phones are designed to work with the Avaya Aura® and IP Office platforms.