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Yealink VC400 Video Conferencing Unit

The Yealink VC400 video conferencing unit boasts a 4-site 1080P full HD multipoint control unit, 18x optical zoom PTZ camera, microphone arrays with 360 degree voice pickup, video recording and playback, dual displays and a 'focus' feature, and is highly compatible and interoperable.

Yealink VC400 Summary

HD Video
The system offers multipoint video conferencing between you and up to four other participants through an embedded full-HD multipoint control unit (MCU). It also supports full-HD dual stream to demonstrate documents or videos. This significantly improves the conferencing experience among users.

Optimal HD Voice
The Yealink VCS Phone has several built-in microphone arrays and supports 360 degree voice pickup.With an optional expansion microphone KIT, the voice pickup range can be extended to up to 5 metres. 20KHz CD level broadband audio quality , plus a number of new leading-edge professional voice processing technologies, bring users an excellent audio experience.

Outstanding User Experience
Yealink VC400 makes maximum use of its advanced features to provide an outstanding user experience. Yealink supports intelligent searching when making calls. During a call, you can adjust the screen layout as you wish. In addition, using the dual-screen display, you can show whatever you like on a second screen at full size. This system also supports video recording and screenshots to record conferences more efficiently. An outstanding user experience leads to lower learning costs and higher efficiency.

High Interoperability
Yealink VC400 supports SIP and H.323 and is compatible with the industry’s major system and terminal vendors, introducing an important cost-effectiveness and flexibility that helps users to expand their businesses. Interconnection is also possible with other devices such as video phones, tablet computers and smartphones. Users can access video conferencing at anytime and anywhere at their convenience.

Yealink VC400 Core Features

  • 4-site 1080P full-HD multipoint control unit (MCU)
  • 18x optical zoom PTZ camera
  • Microphone arrays with 360 degree voice pickup
  • H.264 high profile, saving 50% bandwidth
  • Yealink intelligent firewall transversal
  • Video recording and playback
  • Dual displays and ‘focus’ feature
  • High compatibility and interoperability

Yealink VC400 Technical Specifications


System Components

  • Codec VC400
  • VCS Phone VCP40
  • HD PTZ Camera VCC18
  • Remote control VCR10


Full-HD Camera

  • 1920x1080 video resolution
  • Up to 18x optical zoom PTZ camera
  • Pan angle range: ±100°
  • Tilt angle range: ±30°
  • Up to 10 preset position
  • Beauty shot feature


MCU Processing Capacity

  • 4-site 1080P/8-site 720P (Pending)
  • Additional 1-way audio call
  • Mixed protocols, codecs, bandwidth, resolution and frame rate


Video Resolution

  • Full HD 1080P at 30fps (1920x1080), from 1Mbps
  • 720P (1280x720), from 521Kbps
  • W448P (768 x 448), WQVGA (400 x 240)
  • 4CIF (704×576), CIF (352 x 288)


Video Standard and Network Suitability

  • H.264 High Profile, H.264, H.263
  • Bandwidth dynamic adaptive adjustment
  • Forward Error Correction (FEC), anti 8% video and 20% audio packet loss
  • Shared content and audio preference strategy
  • Bandwidth Auto adaptive/Protocol Auto adaptive Audio/Video call Auto adaptive/


Audio Features

  • 3-microphone array
  • 10ft/3-metre and 360 degree voice pickup
  • Optional 2 expansion microphones, enhancing voice pickup to 16ft/5-metres
  • Audio Codecs: G.722 (7KHz),G.711 u/a
  • Audio technology: AEC, VAD, CNG, PLC, AJB, AGC


Call Features

  • Dual 1080P30: people + content sharing
  • Layout: full-screen, equal, one big /one small
  • Dual-screen display and ‘focus’ feature
  • Audio/Video recording and playback
  • Screenshots in USB
  • Sleep mode, DND
  • Call statistics
  • Auto answer, mute, and call waiting
  • Intelligent searching
  • Local directory: 1000 entries
  • Call History: all/missed/received/dialed
  • LDAP phonebook
  • National language selection


Standard Communication Protocol

  • H.323/SIP
  • Dual stream protocol: H.239/BFCP (SIP)
  • FECC: H.224/H.281
  • H.323 protocol suite:H.245,H.225,H.235,H.241
  • Support gatekeeper account and SIP account


Network and Security

  • TCP/IP (IPv4), DHCP/stastic IP
  • HTTP/HTTPS web server
  • SRTP/TLS, AES encryption
  • QoS: 802.1p/Q, Diff-serv
  • IEEE802.1X, LLDP-MED, VLAN
  • Time and date synchronization using SNTP
  • Built-in certificate


NAT and Firewall Transversal

  • NAT (manual/auto mode)
  • Yealink intelligent firewall transversal
  • OpenVPN
  • H.460


Configuration Management

  • Configuration via browser/display
  • Firmware upgrading, factory resetting
  • Export or import configuration
  • SNMP, audio/video and network diagnosis
  • Package tracing and system log exporting


Codec User Interface

  • 1 x 10/100/1000M Ethernet
  • 2 x HDMI, 1 x DVI, 1 x VGA
  • 1 x VCS phone port (RJ-45)
  • 1 x Line-in (3.5mm), 1 x Line-out (3.5mm)
  • 1 x power port, 2 x USB2.0 port
  • Others: 1 x power key, 1 x security lock slot, 1 x reset slot
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