Fanvil X4U, 12 SIP lines, 1 side screen

– Main screen: 2.8-inch color display 320X240
– Side screen: 2.4-inch color display 320X240
– DSS keys: 30
– Lines: 12
– Line keys: 3
– Local phonebook: 1000
– Call log: 1000
– Audio conference:
  V1: 3-way conference
  V2: 6-way conference
– IPv6
– High definition audio
– Wideband codec: G.722, Opus
– Bluetooth: Through a USB device
– Wifi: Through the WiFi key
– PoE
– Network: 10/100/1000 Mbps
– EHS headset
– Stand support: 45°& 50°

Phone functions
– Local directory (1000 entries)
– Remote directory (XML/LDAP, 1000 entries)
– Call records (incoming/outgoing/missed, 1000 entries)
– Call filter from allowed/blocked list
– Screensaver
– Voice mail waiting indication (VMWI)
– Programmable DSS keys/programmable keys
– Network time synchronization
– Supports Bluetooth headsets (via BT dongle BT20)
– Supports Wi-Fi Dongle (via WF20)
– Compatible with Plantronics wireless headsets (via Plantronics EHS APD-80 cable)
– Compatibility with Jabra wireless headsets (via Fanvil EHS20 EHS cable)
– Recording support (via a flash drive or server)
– Action URL / active URI
– uaCSTA
Call functions
– Call / answer / reject
– Mute / unmute (microphone)
– Call hold / resume
– Call waiting
– Intercom
– Caller ID display
– Speed dial
– Anonymous call (hide caller ID)
– Call forwarding (always/busy/no answer)
– Call transfer (Attended/Unattended)
– Call parking/pickup (depending on the server)
– Redial
– Do not disturb
– Auto answer
– Voice mail (with server)
– 6-way conference
– Direct line
– Shared desktop

– Physical: 10/100/1000 Mbps Ethernet, dual bridge port for PC bypass
– IP mode: IPv4/IPv6/IPv4 and IPv6
– IP configuration: Static IP / DHCP / PPPoE
– Network access control: 802.1x
– VPN: L2TP / OpenVPN
– VLAN
– LLDP
– CDP
– QoS
– RTCP-XR (RFC3611), VQ-RTCPXR (RFC6035)

Protocols
– SIP2.0 over UDP/TCP/TLS
– RTP/RTCP/SRTP
– STUN
– DHCP
– IPv6
– LLDP
– CDP
– PPPoE
– 802.1x
– L2TP
– OpenVPN
– SNTP
– FTP/TFTP
– HTTP/HTTPS
– TR-069
– AES128 & AES256
Power
– DC power input: DC5V / 2A
Dimensions
– 214 x 188.6 x 181.1 mm