Polycom SoundPoint IP 550

• Four-line manager's phone
• Revolutionary voice quality with Polycom HD Voice
• Advanced, cutting-edge features and applications
• Backlit, easy-to-read LCD

Features and Benefits

• Four line 
• Polycom HD Voice technology, including support of G.722 wideband codec, Acoustic Clarity Technology 2, and systems design optimized for HD Voice
• Advanced functionality, including shared lines, busy lamp field, presence, and XHTML applications
• Support of up to three SoundPoint IP Expansion Modules
• Backlit 320 x 160-pixel grayscale graphical LCD
• Integrated IEEE 802.3af Power over Ethernet (PoE) support