Cisco SPA504G 4-Line IP Phone with 2-Port Switch, PoE and LCD Display
The Cisco SPA504G is Cisco’s midrange business desktop IP Phone within the Cisco Small Business Pro product family. The Cisco SPA504G is a 4-Line phone with backlit LCD display and full-duplex speakerphone.
4 Line Phone with Hi-Res Backlit LCD Display
SIP and SPCP (Cisco C500) Protocol Support, G.722 Wide Band Audio