The 445HD IP phone from AudioCodes is an advanced high-end IP phone with a large colour display and a special LCD display that shows contacts and their presence (integrated sidecar), High resolution 10.92 cm (4.3") TFT colour screen (480 x 272 pixels) Full duplex speaker phone and headset connection, 6 multi-function keys, 4 soft keys 12 programmable speed dial keys with presence ID (BLF) Special LCD display (60 x 370) for displaying contacts PoE or external AC adapter, GbE and USB headset support