Cisco 7841. Product type: IP Phone, Product colour: White, Handset type: Wired handset. Volume control: Digital. Display diagonal: 8.89 cm (3.5"), Display resolution: 396 x 162 pixels. Voice codecs: G.711a, G.722, G.729A, iLBC. Security algorithms: 128-bit AES, 256-bit AES, SRTP, SSL/TLS, Networking standards: IEEE 802.1Q, IEEE 802.1p, IEEE 802.1x, IEEE 802.3af, IEEE 802.3at
