6 dual-color line keys (with 6 SIP accounts)?? 5 programmable context-sensitive soft keys?? up to 5-way conferencing?? and 24 dual-color BLF extension keys</br>Dual switched auto-sensing 10/100/1000Mbps Gigabit network ports?? PoE?? Bluetooth?? USB?? and EHS (Electronic Hook-Switch) with Plantronics headsets</br>Automated provisioning using TR-069 or AES encrypted XML configuration file?? TLS/SRTP/HTTPS for advanced security and privacy protection</br>Integrated real-time web applications [weather?? currency?? etc.]</br>480x272 TFT color LCD</br></br>Product Description</br></br>Grandstream Networks GXP2160 Enterprise IP Telephone</br>