Cisco 7811. Product type: IP Phone. Product colour: Black. Silver. Handset type: Wired handset. Lines quantity: 1 lines. Volume control: Digital. Display: LED. Display diagonal: 8.33 cm (3.28"). Display resolution: 384 x 106 pixels. Voice codecs: G.711a. G.722. G.729A. G.729B. iLBC
