Cisco 8851 IP phone Black

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Cisco 8851. Product colour: Black, Handset type: Wired handset, Volume control: Digital. Display resolution: 800 x 480 pixels, Display diagonal: 12.7 cm (5''). Voice codecs: G.711a,G.722,G.729A,iLBC. Bluetooth version: 3.0+HS, Supported network protocols: SIP, SPD, UDP, GARP, DNS, TFTP, HTTPS, VLAN, RTP, RTCP, PPDP, Networking standards: IEEE 802.3ab,IEEE 802.3af,IEEE 802.3at,IEEE 802.3i,IEEE 802.3u. Security algorithms: EAP-FAST,EAP-TLS,HTTPS,SIPS,SSH,SSL/TLS