The Callbox IP-290G is designed for the busy office. Featuring a 4.3” TFT-LCD Color Backlight Display with 480*320 pixel at 16 bit color depth. 10 Line keys and a total of 30 programmable feature keys. It supports up to 4-way conference. IP-290G is optimized for busy office use with 30 various feature keys could be configured as Busy Lamp Field, Speed Dials, IP PBX features like BLF, SCA, Intercom, Call Pickup, Call Park and many other features. The high-resolution TFT-LCD and HD Voice bring you the lifelike visual and hearing experience.