Cisco VOIP Unified IP Phone - CP-7905G POE, Requires Cisco CallManager Designed for voice communication over a data network or IP LCD screen and soft keys allow the use of extended features to handle calls with ease Also features familiar capabilities, such as Hold, Forward, Redial, Speed Dial, Line Selection, and Speakerphone for conferencing. Intended for use with Cisco Call Manager Powered over Ethernet PoE (Optional power supply sold separately)