Yealink CP920 Touch-sensitive HD IP Conference Phone

Audio features
• Optimal HD audio
• Yealink Noise Proof Technology
• Background noise suppression
• 20-foot (6-meter) microphone pickup range
• Apply to small to the medium conference room
• Built-in 3-microphone array, 360-degree voice pickup
• 56mm diameter and 5w speaker
• Full-duplex speakerphone with AEC
• Echo cancellation tail length is up to 320ms
• Codecs: G722, G722.1C, G726, G729, G723, iLBC, Opus, PCMA, PCMU
• 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 call
• Flash
• Redial, call waiting, emergency call
• Call forward, call transfer, call return, dial plan
• Ringtone selection/import/delete
• Set date time manually or automatically
• Volume adjustment
• Pairing via Bluetooth

Directory
• Local phonebook up to 1000 entries
• XML/LDAP remote phonebook
• Intelligent search method
• Phonebook search/import/export
• Call history: dialed/received/missed/forwarded
• Blacklist

IP-PBX features
• Intercom
• Multicast paging
• Anonymous call
• Anonymous call rejection
• Voicemail
• Distinctive ringtone
• Call pickup

Display
• 3.1″ 248×120-pixel graphical LCD with backlight
• 25 total keys: 4 soft keys, an 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
• 1 x RJ45 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
• 1 x Security Slot