4.3M 480 x 272-pixel color display with backlight (adjust)
16 SIP accounts, 8 feature keys, 1 Oline keys
Support paperless up to 36 keys
SIP (RFC3261 )/SIP v1 (RFC2543). v2 (RFC326 1)
Auto provision via HTTP/HTTPS FTP/TFTP
802.1 X/OpenVPN/DHCPNlan/QoS/ LLDP
TLS/UOP/TCP, RTP/RTCP/ZRTP/SRTP
Support Opus Codec
HD Voice: HD Codec. HD Speaker. HD Handset
EHS with Plantronics and Jabra headsets
Dual.port Gigabit Ethernet, PoE support
Supports expansion modules
Stand with 2 adjustable angles
Support WiFi & Bluetooth
Support USB