Avaya 6408D+ has 4 navigator keys for menu, next, previous, and exit Group paging feature allows everyone hear your message at the same time Fixed feature buttons for conference, transfer, hold, speaker, mute, and last number dialed Built-in 2-way speaker phone, and eight personal ring options Whisper paging feature, letting a second call go through while you are on a call 4 soft keys for menu functions, plus 12 soft key default features, with access to 18 alternative soft key features (to a maximum of 12 per telephone set) Requirements: Definity Family Release 6.1 or higher; 2-wire/16-port TN2181 digital circuit card (63841) or 2-wire/24-port TN2224B digital circuit card (63869) 
Qty.