Grandstream GS-GXP2160 Enterprise IP Telephone VoIP Phone and Device 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 Dual switched auto-sensing 10/100/1000Mbps Gigabit network ports, PoE, Bluetooth, USB, and EHS (Electronic Hook-Switch) 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.] 480x272 TFT color LCD