Cisco DESK PHONE 9871 CARBON IP phone

Cisco DESK PHONE 9871 CARBON. Product type: IP Phone. Product colour: Black. Carbon. Handset type: Wired handset. Volume control: Buttons. Display: LCD. Display diagonal: 12.7 cm (5″). Display resolution: 1280 x 720 pixels. Voice codecs: G.711alaw. G.711ulaw. G.722. G.722.2. G.729A. G.729B. OPUS. iLBC. Ethernet LAN interface type: Gigabit Ethernet. Ethernet LAN data rates: 10.100.1000 Mbit/s. Wi-Fi standards: 802.11a. Wi-Fi 5 (802.11ac). 802.11b. 802.11g. Wi-Fi 4 (802.11n)