Cisco 7841 IP phone Black, Silver 4 lines LCD

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Cisco 7841. Product colour: Black,Silver, Handset type: Wired handset, Volume control: Digital. Display: LCD, Display resolution: 396 x 162 pixels, Display diagonal: 8.89 cm (3.5''). Lines quantity: 4 lines. Voice codecs: G.711a,G.722,G.729A,G.729B,iLBC. Supported network protocols: IEEE 802.3, IEEE 802.3u, IEEE 802.3ab, IEEE 802.3af