Screen : Gesture-based, multitouch-capable capacitive touch screen Lines : N/A Networking : Two-port gigabit Ethernet switch, 10/100/1000Base-TX across LAN and 2nd port, 2nd port supports IEEE 802.3af PSE Voice Codecs : G.711, G.719, G.729ab, iLBC, Opus, G.722, G.722.1, G.722.1C, Polycom Siren 14 Network Features : Open SIP and Microsoft Lync 2013/Skype for Business SIP client, SDP, IETF SIP (RFC 3261 and companion RFCs), Two-port gigabit Ethernet switch - 10/100/1000Base-TX across LAN and 2nd port - 2nd port supports IEEE 802.3af PSE, 802.11 a/b/g/n (Wi-Fi) network connectivity, Manual or dynamic host configuration protocol (DHCP) network setup, Time and date synchronization using SNTP, FTP/TFTP/HTTP/HTTPS server-based central provisioning, Polycom Zero Touch Provisioning, Provisioning and call server redundancy supported, QoS Support - IEEE 802.1p/Q tagging (VLAN), layer 3 TOS, and DSCP - WMM (Wi-Fi multimedia), VLAN – CDP, DHCP VLAN discovery, LLDP-MED for VLAN discovery Signaling protocol support : Yes Features : On-screen virtual keyboard, 1x USB 2.0 Type A-compliant host port USB battery charging BC1.2 compliant, 1x USB 2.0 Micro-B device port, Integrated Bluetooth 4.0 and NFC, 3 illuminated mute buttons, Unicode UTF-8-character support Power Supply : LAN IN: Built-in auto-sensing IEEE 802.3at. PoE Device (Class 4) (requires full Class 4 power input on LAN IN for operation). Backward compatibility with IEEE 802.3af, LAN OUT: Built-in auto-sensing IEEE 802.3af power sourcing equipment (requires full Class 4 power input on LAN IN for operation) Dimensions : 38.3 x 33.2 x 7.5 cm Weight : 0.95Kg