Audio Features
HD voice: HD handset, HD speaker
Hearing aid compatible (HAC) handset
Yealink Noise Proof Technology
Audio codec: Opus, G.722, G.722.1, G.722.1C, G.711 (A/µ), G.723, G.726, G.729AB, iLBC
DTMF: In-band, Out-of-band (RFC 2833) and SIP INFO
Full-duplex hands-free speakerphone with AEC
VAD, CNG, AEC, PLC, AJB, AGC
Display and Indicator
7" 1024 x 600 capacitive touch screen
5 points multi-touch surface
Screensaver and Wallpaper
LED for call and message waiting indication
Intuitive user interface with icons and soft keys
Multilingual user interface
Caller ID with name, number and photo Android bundled Applications
FileManager/Email/Calendar/Gallery/Recorder/ Calculator/Browser/Message
Third party Android application support
Phone Features
Yealink’s SDK (Software Development Kit)
16 VoIP accounts
Call hold, call forward
Call waiting, call transfer
One-touch speed dial, hotline
Mute, DND
Group listening, emergency call
Redial, call return, auto answer
Direct IP call without SIP proxy
Ring tone select/import/delete
Set date time manually or automatically
Dial plan, action URL/URI
RTCP-XR (RFC3611), VQ-RTCPXR (RFC6035)
Five-party audio conferencing
Data import/export via Bluetooth, email, etc.
DoorPhone features: Preview, One-button Open, Monitoring
IP-PBX Features
Busy Lamp Field (BLF)
Bridged Line Appearance (BLA)
Anonymous call, anonymous call rejection
Remote office, hot desking, intercom, paging
Message Waiting Indicator (MWI)
Voice mail, call park, call pickup, music on hold
Call completion, call recording
