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...
Display: 2.4" 240x320 pixels color display
Intuitive user interface with icons and soft keys
Caller ID with name and number
Notification Light: voice mail and missed call is signaled via display and illuminated power indicator
Date & time (manual or auto synchronized)
Screen Saver
Multiple languages
LCD backlit
Key backlit
Power: Cable length: 3.94 ft / 1.2 m
Capacity: 3640mAh
Battery Life: 40hrs when connected via Bluetooth at 50% speaker volume
Charging speed: 3.5hrs from 0%~100%