Video Resolution
• 720P (1280 x 720), from 512Kbps
• W448P (768 x 448)
• 4CIF (704 x 576), CIF (352 x 288)
Video Standard and Network Adaptability
• H.264 High Profile, H.264, H.263
• Bandwidth dynamic adaptive adjustment
• Forward Error Correction (FEC), anti 8% video
and 20% audio packet loss
• Bandwidth Auto adaptive/Protocol Auto
adaptive/Audio/Video call Auto adaptive
Audio Features
• Audio Codecs: G.722.1C, G.722.1, G.722, G.711 u/a
• Full Duplex
• DTMF
• Automatic Gain Control (AGC)
• Automatic Echo Cancellation (AEC)
• Voice activity detection (VAD)
• Comfort noise generator (CNG)
• Packet loss concealment (PLC)
• Adaptive jitter buffer (AJB)
Licensing
• Online Activation
• Offline Activation
Call Features
• 720P video+1080P content sharing
• Call Statistics
• Auto answer, video & audio mute
• Smart Dialing
• Local directory: 1000 entries
• Call History: all/missed/received/dialed
• Multi-language support
• Online Auto Upgrade
Standard Communication Protocol
• H.323/SIP
• Dual stream protocol: H.239/BFCP (SIP)
• H.323 protocol suite: H.225, H.241, H.245, H.235 v3
• Flow Control
• Support GK account and SIP account
Network and Security
• TCP/IP, DHCP/stastic IP
• SRTP/TLS, AES encryption
• Network Environment: LAN, Wi-Fi, 3G/4G
• NAT (manual/auto mode)
• Yealink Intelligent Firewall Traversal
• H.460
• STUN, TURN, ICE
System requirements
• Operating systems: Windows® XP, Windows® 7,
Windows® 8, Windows® 10
• Software: DirectX 9.0 or higher
• Processor: Intel Core i3, 1.7GHz or higher
• RAM: 2G
• Video memory: Minimum 256M
• Camera: Integrated or external
• Audio: Microphone and Speaker
Audio& Video Devices Requirement
• Standard USB web camera
• Built-in camera
• 3.5 mm headset
• USB headset
Languages supported
• English
• Chinese
• French
• German
• Italian
• Polish
• Portuguese
• Spanish
• Turkish
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