- Main display: 4.3-inch 480×272 color display - Side display: Two 3.5-inch 480×320 color displays - Video codec: H.264 - Video call: Only receives video from the calling side - No camera - Gooseneck microphone - DSS keys: 106 - SIP lines: 20 - Line keys: 10 - Local telephone directory: 2000 - Call log: 1000 - Audio Conferencing: V1: 3-person conference V2: 6-way conferencing - IPv6 - High definition audio - Broadband codecs: G.722,Opus - Bluetooth: V1: Built-in Bluetooth 2.1 V2: Built-in Bluetooth 4.2 - Wifi: Via WiFi dongle - PoE - Network: 10/100/1000 Mbps - EHS Headset - Stand Support: 40° and 50°