Soundpoint 670 Advanced Features & Applications ?Six lines ?Backlit 320 x 160 pixel color display ?Integrated dual-port Gigabit Ethernet switch ?USB port for applications, such as the Polycom Productivity Suite ?XHTML microbrowser for Polycom and third-party applications ?Six lines (standalone) or 34 lines with three Color Expansion Modules ?Shared call/bridged line appearance ?Busy lamp field ?Fully enabled to run the Polycom Productivity Suite