Featuring 4 lines, a 180x90 backlit graphical LCD, 3 XML programmable context-sensitive soft keys, 7 XML programmable BLF extension keys, dual network ports with integrated PoE and 4-way conference, the GXP2100 Enterprise HD Telephone provides SMBs with a sophisticated, next-generation telephone to fit a variety of applications. With superior HD audio quality for crystal clear communication, extensive telephony features, personalized information and customizable application service, the GXP2100 also includes automated provisioning for easy deployment, advanced security protection for privacy, and broad interoperability with most 3rd party SIP devices and leading SIP/NGN/IMS platforms. Expandable, secure and easy to manage. 4 dual-color line keys (with 4 SIP accounts), 3 XML programmable context-sensitive soft keys, up to 4-way conference, and up to 11 call appearances with 7 dual-color BLF extension keys. HD wideband audio, superb full-duplex hands-free speakerphone with advanced acoustic echo cancellation and excellent double-talk performance. Automated phone book synchronization with directory server using XML. Large phonebook (up to 2,000 contacts) and call history (up to 2,000 records). Integrated real-time web applications (weather, stock, currency, RSS news, etc.).