GRANDSTREAM GXP2140 HIGH-END IP PHONE 4 SIP

Supports 4 lines, 4 SIP accounts and 5-way voice conferencing HD audio on speakerphone and handset, 5 programmable context-sensitive soft keys Compatible with GXP2200 LCD extension module (GXP2200 EXT) 4.3 inch (480x272) color-screen LCD Dual Gigabit ports, integrated Po E Integrated Bluetooth for use with Bluetooth headsets and Bluetooth-enabled mobile devices (transferring contact books and calls), USB, EHS for Plantronics headsets