Audio features |
• | Optima HD voice |
• | 20-foot (6-meter) microphone pickup range |
• | Built in 3 microphone arrray, 360 degree vocie pickup |
• | 56mm diameter and 10w speaker |
• | Full-duplex speakerphone with AEC |
• | Echo cancellation tail length is up to 320ms |
• | Background noise suppression |
• | Codecs: G722, G722.1C, G726, G729, G723, iLBC, Opus |
• | DTMF: In-band, Out-of-band (RFC 2833) and SIP INFO |
• | VAD, CNG, PLC, AJB, AGC |
Phone features |
• | 1 VoIP account |
• | Call hold, mute, DND, call recording, hotline |
• | 5-way conference calls |
• | Flash |
• | Redial, call waiting, emergency call |
• | Call forward, call transfer, call return, dial plan |
• | Ring tone selection/import/delete |
• | Set date time manually or automatically |
• | Volume adjustment |
• | Pairing via Bluetooth |
Display |
• | 3.1" 248x120-pixel graphical LCD with backlight |
• | 25
total keys: 4 soft keys, off-hook key, on-hook key, 12-key numerical
keypad, Bluetooth, mute, volume keys, 2 navigation keys, OK key |
• | Phone lock |
• | Multilingual user interface |
• | Caller ID with name and number |
Interface |
• | 1xRJ45 10/100M Ethernet port |
• | Built-in Wi-Fi (2.4GHz,802.11 b/g/n) |
• | Built-in Bluetooth 4.0 |
• | Power over Ethernet (IEEE 802.3af ), class 3 |
• | 1 x USB 2.0 port |
• | 1x Security lock port |
Other physical features |
• | External Yealink power adapter: AC 100~240V input and DC 12V/1A output |
• | Power consumption (PoE): 3.9w-7.6w |
• | Dimension (W*D*H): 307.8mm*298.5mm*66.9mm |
• | Operating humidity: 10~90% |
• | Storage temperature: -10~40°C (+14~104°F) |