Specifications: Protocol: SIP RFC 3261 Compatible
Ethernet I/F: 10/100 Mbps
Power Input: PoE 802.3af or +5V at 1A
Operating Temperature: -10 degrees C to 50 degrees C(14 degrees F to 122 degrees F)
Payload Types: G711 A-Law and u-Law
Regulatory Compliance: FCC Class A, UL 60950
Protocols: DHCP VLAN discovery; LLDP-MED for VLAN discovery; FTP/TFTP/HTTP/HTTPS server-based central provisioning; Hardware diagnostics; Manual or dynamic host configuration protocol (DHCP) network setup; Network address translation support for static configuration and Keep-Alive; QoS Support — IEEE 802.1p/Q tagging
(VLAN), Layer 3 TOS, and DHCP; Status and statistics reporting; Syslog Event Logging; Conforms to IEEE802.3-2005 (Clause 40) for physical media attachment; Conforms to IEEE802.3-2002 (Clause 28) for link partner auto-negotiation; Time and date synchronization using SNTP; RTCP and RTP support; IPv4; IPv6; Provisioning and call server redundancy support; DNS-SRV; UDP; SIP protocol support; IETF SIP (RFC 3261 and companion RFCs)
Security: 802.1X Authentication and EAPOL Media encryption via SRTP; Diges...