The Nortel IP Phone 2004 is a professional-level desktop IP Phone which is ideally suited for managers, knowledge workers & administrative staff. IP Phone 2004 supports up to twelve user-defined line/programmable feature keys & comes standard with a large monochrome display which can support converged (voice & data) applications presentation in textual format, high-quality audio speakerphone, an integrated IEEE 10/100 Ethernet switch, context-sensitive soft keys.