Screen : 5" high-resolution (800 x 480) WVGA color display Lines : N/A Networking : An internal 2-port Cisco Ethernet switch allows for a direct connection to a 10/100/1000BASE-T Ethernet network (IEEE 802.3i/802.3u/802.3ab) through a RJ-45 interface with single LAN connectivity for both the phone and a co-located PC. 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 : User Datagram Protocol (UDP), Dynamic Host Configuration Protocol (DHCP), Gratuitous Address Resolution Protocol (GARP), Cisco Discovery Protocol Signaling protocol support : Skinny Client Control Protocol (SCCP) and Session Initiation Protocol (SIP) with Cisco call control Power Supply : Supports IEEE 802.3af PoE (Class 3). 48VDC is required; it can be supplied locally at the desktop using an optional AC-to-DC power supply (part number CP-PWR-CUBE-3=) or power injector (CP-PWR-INJ=). Dimensions : 229.1 x 257.34 x 40 mm Weight : 1.19 kg

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

Screen : 128 x 32 pixel, monochrome, graphical, non-backlit Lines : 1 Networking : 10/100BASE-T wired Ethernet LAN port plus switched PC port Voice Codecs : G.711a, G.711?, G.729, G.729a, and G.729ab Network Features : Dynamic Host Configuration Protocol (DHCP), Support for online firmware upgrades using Trivial File Transfer Protocol (TFTP), Domain Name System (DNS) Signaling protocol support : SIP Power Supply : IEEE PoE 802.3af is supported, Class 1 Dimensions : 205 x 150 x 53.5 mm Weight : 594.3g

Screen : 396 x 162 pixel (3.5 in. / 89 mm) High-resolution, graphical grayscale display Lines : 4 Networking : Integrated IEEE 10/100/1000 switch Voice Codecs : G.711a/?, G.722, G.729a, iLBC Network Features : Cisco Discovery Protocol, Transparent secure roaming, Provisioning of network parameters through DHCP Signaling protocol support : Session Initiation Protocol (SIP) Features : Four line and programmable feature keys, Built-in speakerphone, Wideband for enhanced audio clarity Power Supply : The phone supports IEEE 802.3af PoE (Class 1), Cisco power cube 3 (CP-PWR-CUBE-3=) and Cisco power adapter 3 (CP-PWR-ADPT-3) Dimensions : 20.7 x 20.6 x 2.8 cm Weight : 867 g

Screen : Pixel-based display Lines : 1 Networking : 10/100BASE-T Ethernet connection through an RJ-45 interface for LAN connectivit Voice Codecs : G.711a, G.711u, and G.729ab audiocompression coders-decoders Network Features : IEEE 802.1Q /p VLAN tagging and traffic prioritization, Trivial File Transfer Protocol (TFTP) Signaling protocol support : Cisco Unified CallManager Version 3.3(2) and later, using the Skinny Client Control Protocol (SCCP) protocol, SIP Features : Calling name and number display, Three-way calling (conference), Four speed dials configurable Power Supply : Inline power. Power can also be supplied locally using an optional AC to 48-VDC power adapter Dimensions : 20.3 x 17.67 x 15.2 cm Weight : 0.9 kg

Screen : Large Graphical backlit gray-scale display 168 x 132 dots Lines : 1 Networking : 10/100 Base T Ethernet connections Voice Codecs : G.711, G.729a/b, G.726A Quality Of Service : QoS Options of UDP Port selection, Diffserv, 802.1p/q Network Protocols : SNMP Features : 24 programmable feature keys, 10 fixed feature keys, 7 position adjustable desk stand Power Supply : Multiple options, including support for PoE Dimensions : 24.9 x 23.6 x 17.8 cm Weight : 1.3 kg