1 x 2.3 inch color touchscreen display Configurable line/feature buttons 4 position adjustable tilt display Fixed features include speaker, mute, headset, contacts, home, history, message, phone, forwarding, volume Wideband audio and wideband speakerphone Dual message waiting indicators 360-degree visual alert for incoming calls and voice mail Bluetooth headset compatible DECT headset support with optional adapter USB application support Built-in two port Ethernet (10/100/1000 Mbps) switch for connection to LAN and collocated PC Supports up to three Avaya BM12button modules Built-in headset interface