Size: 10.5 in x 6 in x 7.5 in x 2.5 inWeight: 2.2lbsEthernet: Two-port 10/100Codec: G.711u/a, G.722 (Wideband), iLBC and G.729aProtocol: SIPDedicated RJ-9 Headset JackIncludes AC Power AdapterIntegrated IEEE 802.3af Power over Ethernet (PoE) supportCompatibilityManual or dynamic host configuration protocol (DHCP) network setupFTP / TFTP / http / https server-based central provisioning for mass deploymentsWeb portal for individual unit configurationNetwork Address Translation (NAT) support for static configuration and "Keep-Alive" SIP signaling