High-performance IP phone with Polycom HD Voice™ technology
* Six-line executive phone
* Revolutionary voice quality with Polycom HD Voice technology
* Cutting-edge features and applications * Expandable to support three Polycom SoundPoint IP Expansion Modules
* Interoperable with leading SIP-based IP PBX and Softswitch platforms
* SIP features

Features and Benefits
* Six lines (standalone) / 12 lines (with the SoundPoint IP Expansion Module)
* Polycom HD Voice technology, including support of G.722 wideband codec, Acoustic Clarity Technology 2, and systems design optimized for Polycom HD Voice technology
* 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
* USB port for future applications