3 dual-color line keys (with 3 SIP accounts). 4 programmable context sensitive soft keys. Up to 4-way conferencing, and 8 dual-color BLF extension keys,TFT color LCD Dual switched auto-sensing, 10/100/1000Mbps Gigabit network ports, PoE, EHS (Electronic Hook-Switch) with Plantronics headsets Automated provisioning using TR-069 or AES encrypted XML configuration file, TLS/SRTP/HTTPS for advanced security and privacy protection Integrated real-time web applications [weather, currency, etc.]