***** **********Best Quality Guranteed.
*****System Requirements: Unified Communications Manager - 10.5 and later; Hosted Collaboration Solution - 10.5 and later; Spark Call - Spark Call support for cloud solution. (The IP Phone requires an Enhanced User Connect License (UCL) in order to connect to Unified Communications Manager.
)*****Power Choices: Compatible with both IEEE 802.3 af and 802.3 at Power-over Ethernet (PoE). If PoE is not available on your network, an OPTIONAL power supply will be needed. *****Compact footprint design with 360-degree room coverage and no less than 7-ft ( 2.1 -m) microphone pickup***** 3.4 -inch ( 8.6 -cm), 384x128-pixel monochrome LCD with backlit LED and antiglare bezel*****Codec support including G. 711(u/A), G. 729a, G. 729ab, iLBC, G. 722, and OPUS