Screen : 5" high-resolution (800 x 480) WVGA color display. Supports HD Video Up to 720p. Lines : N/A Networking : 2 x RJ45 Gigabit Ethernet Voice Codecs : G.711 a-law and mu-law, G.722, G.729a, Internet Low Bitrate Codec (iLBC), and Internet Speech Audio Codec (iSAC) Network Features : Session Initiation Protocol (SIP) for signaling, Session Description Protocol (SDP), IPv4 and IPv6, UDP, GARP, LLDP-MED Signaling protocol support : Skinny Client Control Protocol (SCCP) and Session Initiation Protocol (SIP) with Cisco call control Power Supply : N/A Dimensions : 228.8 x 257.3 x 98.4 mm Weight : 1.35 kg