Audio Features
> HD voice: HD handset, HD speaker
> Wideband codec: Opus, G.722
> Narrowband codec: G.711(A/μ), G.729AB, G.726, 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
Phone Features
> 3 SIP accounts
> Call hold, mute, DND
> One-touch speed dial, hotline
> Call forward, call waiting, call transfer
> Group listening, SMS
> Redial, call return, auto answer
> Local 3-way conferencing
> Direct IP call without SIP proxy
> Ringtone selection/import/delete
> Set date time manually or automatically
> Dial plan, off-hook hotline
> XML Browser, Action URL/URI
> Integrated screenshots
> RTCP-XR
> Enhanced DSS Key
Directory
> Local phonebook up to 1000 entries
> Blacklist
> XML/LDAP remote phonebook
> Smart dialing
> Phonebook search/import/export
> Call history: dialed/received/missed/forwarded
IP-PBX Features
> Busy Lamp Field (BLF), Bridged Line Appearance(BLA)
> Anonymous call, anonymous call rejection
> Hot-desking, emergency call
> Message Waiting Indicator (MWI)
> Voice mail, call park, call pickup
> Intercom, paging, music on hold
> Call completion, call recording
> Flexible seating
> Executive and Assistant
> Centralized call recording
> Visual voice mail
Display and Indicator
> 132 x 64-pixel graphical LCD with backlight
> LED for call and message waiting indication
> Dual-color (red or green) illuminated LEDs for line status information
> Intuitive user interface with icons and soft keys
> Multilingual user interface
> Caller ID with name and number
> Power Saving
Feature keys
> 3 line keys with LED
> 5 features keys: message, headset, redial, train, hands-free speakerphone
> 6 navigation keys
> Volume control keys
Interface
> Dual-port Gigabit Ethernet
> Power over Ethernet (IEEE 802.3af), class 2
> 1 x RJ9 (4P4C) handset port
> 1 x RJ9 (4P4C) headset port
Other Physical Features
> Wall mountable
> External Yealink AC adapter (optional): AC 100~240V input and DC 5V/600mA output
> Power consumption (PSU): 0.7-1.5W
> Power consumption (PoE): 1.0-2.2W
> Dimension (W*D*H*T):209mm*188mm*150mm*41mm
> Operating humidity: 10~95%
> Operating temperature: -10~50°C (+14~122°F)
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