Cisco Unified IP VoIP Phone 7941G - (Call Manager Required) A high-resolution, graphical 4-bit grayscale display (320 x 222) Provides two programmable line and feature buttons along with four interactive softkeys Support for IEEE standard 802.3af inline power and Cisco inline power Intended for use with the Cisco Call Manager System Powered over Ethernet PoE by design (Power Supply Not Included)