Screen : The viewing angle of the display on the 1616-I is adjustable and measures 4 lines by 24 characters, Lines : 1 Networking : Dual Ethernet ports for connection of phone and collocated PC w/VLAN separation Voice Codecs : G.711, G.722, G.726, G.729ab Quality Of Service : High Network Protocols : H.323 Features : Deskphone supports 16 administrable feature buttons on the phone itself—and a 32-button expansion model provides access to a total of 48 feature keys or speed dial buttons, Each of the buttons features a dual LED (red, green) providing explicit status for the use, includes several fixed feature keys for common telephone tasks including conference, transfer, drop, hold and mute, includes a high quality 2-way speakerphone, and supports a broad portfolio of Avaya wired and wireless headsets through its integrated headset jack, Context sensitive user interface along with 3 softkeys and a 4-way navigation cluster Power Supply : PoE 802.3af class 2 device, also supports a local power supply Dimensions : N/A Weight : N/A

Screen : 5-inches 800 Χ 480 resolution, grayscale display Lines : 5 Networking : 2-port Cisco Ethernet switch allows for a direct connection to a 10/100/1000BASE-T Ethernet network Voice Codecs : G.711a-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), Session Description Protocol (SDP), UDP, DHCP, GARP Signaling protocol support : Session Initiation Protocol (SIP), IPv4 and IPv6, Features : The phone offers an easy-to-use interface and provides a traditional telephony-like user experience, Wideband for enhanced audio clarity, Line keys, Soft keys, Four-way navigation keys Power Supply : IEEE Power over Ethernet class 2, Cisco IP Phone Power Cube 4 Dimensions : 229.1 x 257.34 x 40 mm Weight : 1.17 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 : 396 x 162 pixel (3.5 in. / 89 mm) Lines : 16 Networking : 10/100 Ethernet Switch Voice Codecs : G.711a/?, G.722, G.729a, iLBC Network Features : N/A Signaling protocol support : Session Initiation Protocol (SIP) 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 : 207 x 265 x 28mm Weight : 1.5 kg