Our most powerful Enterprise IP Phone, the GXP2160 feature support for 6 lines, Gigabit ports and is ideal for users who handle high call volumes as it features 24 BLF/speed dial keys users to easily monitor presence and status of other extensions and transfer calls. By also including HD audio, a 4.3 inch color screen, 5-way voice conferencing, and built-in Bluetooth support allows for use of Bluetooth headsets and transferring of phonebook and calls from paired mobile devices, the GXP2160 is perfect for Enterprise & SMB customers with the need for quality and versatility in their desktop communications.