Cisco 8841 IP phone Black, Silver

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Cisco 8841. Product colour: Black,Silver, 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. Supported network protocols: IEEE 802.3i/802.3u/802.3ab/802.3af/802.3at. Security algorithms: EAP-FAST,EAP-TLS,HTTPS,SRTP,SSH,SSL/TLS