Description

Audio Features
• HD voice: HD handset, HD speaker
• Hearing aid compatible (HAC) handset, magnet
handset
• Yealink Noise Proof Technology
• Audio codec: SILK, Opus, G.722, G.722.1,
G.722.1C, G.711 (A/μ), G.723, G.726, G.729AB,
iLBC
• Full-duplex hands-free speakerphone with AEC
• VAD, CNG, AEC, PLC, AJB, AGC
Phone Features
• Call controls
– Call hold/Call mute/Call transfer/Call forward
– Visual voicemail
– Synchronized call logs
• Meeting call controls
– Mute/unmute, hold/resume
– Hang up
– Add/remove participant
– Join Skype for Business meetings
• Phone lock/unlock
• Emergency calls

Display and Indicator
• LCD screen:
– 4” 480×800 capacitive touch screen
– Two-angle [45°/ 53°] stand
– 5 points multi-touch surface
• Dark theme
• Multi-language user interface
• Full keyboard
• LED for call and message waiting indication

Network and Security
• IPv4/IPv6
• IP Assignment: Static/DHCP
• Proxy mode
• HTTP/HTTPS web server
• Time and date synchronization using SNTP
• Transport Layer Security (TLS)
• HTTPS certificate manager
• Digest authentication using MD5/MD5-sess
• IEEE802.1X