GXP-2135 - IP telephone
* 8 lines, 4 SIP accounts, 4 XML programmable context-sensitive soft keys * Dual switched, auto-sensing Gigabit ports, built-in PoE * 32 digitally programmable and customizable BLF/speed-dial keys * Built-in Bluetooth for syncing headsets and mobile devices for contact books, calendars & call transferring * HD audio on the handset and speakerphone; full duplex speakerphone * Supports EHS compatible Plantronics headsets * 4-way audio conferencing for easy conference calls