The Avaya Definity 6416D+ Phone offers up to a total of 16 buttons for programmable features and 12 additional soft buttons on extension for speed dialing and other commonly used features. The Avaya 6416D+ also includes all the useful call handling functions of the Definity series including hold, transfer and conference. Enhancements include public announcement, whisper paging and group listening. The handset can be desk or wall mounted depending on user preferences and work area. 2-line, 24-character Liquid Crystal Display (LCD) Built-in 2-way conference speakerphone Conference, Transfer, Hold, Redial, Speaker and Mute Fixed buttons 16 Programmable line / feature buttons 12 Additional Soft programmable keys for speed dial 4 Soft Menu Keys Handsfree Headset Compatible