Screen 3.4-in., 384 x 128 backlit pixel monochrome LCD with anti-glare bezel
Lines Single line with a user experience of multiple calls per line
Networking10/100 Base T Ethernet connections
Voice Codecs G.711a-law and mu-law, wideband (G.722), G.729a, G.729ab, Internet Low Bitrate Codec (iLBC), OPUS
Network Features Session Initiation Protocol (SIP) for signaling, Session Description Protocol (SDP), IPv4, IPv6, User Datagram Protocol (UDP) (used only for Real-Time Transport Protocol [RTP] streams), Dynamic Host Configuration Protocol (DHCP) client or static configuration, Gratuitous Address Resolution Protocol (GARP), Domain Name System (DNS), Trivial File Transfer Protocol (TFTP), Secure Hypertext Transfer Protocol (HTTPS), VLAN, Real-Time Transport Protocol (RTP), Real-Time Control Protocol (RTCP), Cisco Discovery Protocol, LLDP (including LLDP-MED), Switch speed auto-negotiation
Signaling protocol support Session Initiation Protocol (SIP)
Power Supply IEEE 802.3af Power over Ethernet (PoE) Class 2 for low power consumption. An optional external universal AC power supply kit is available. The product is qualified by the Energy Star organization.
Dimensions 226 x 226 x 54.4 mm
Weight 0.907 kg