Audio features
• Optimal HD audio
• Yealink Noise Proof Technology
• 20-foot (6-meter) microphone pickup range
• Apply to medium to large conference room
• Built-in 3-microphone array, 360-degree voice 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 call
• 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/USB Micro-B port
• External speaker connection via 3.5mm audio-out port
• Create meeting directly
• Join meeting seamlessly
• Active Speaker
Directory
• Local phonebook up to 1000 entries
• XML/LDAP remote phonebook
• Intelligent search method
• Phonebook search/import/export
• Call history: dialed/received/missed/forwarded
• Black list
IP-PBX features
• Intercom
• Multicast paging
• Anonymous call
• Anonymous call rejection
• Voice mail
• Distinctive ringtone
• Call pickup
Display
• 5” 720×1280 capacitive touch screen
• Volume key
• Home button
Interface
• 1 x RJ45 10/100M Ethernet port
• Built-in Wi-Fi (2.4GHz/5GHz, 802.11.b/g/n/ac)
• Built-in Bluetooth 4.0
• Power over Ethernet (IEEE 802.3af ), class 4
• 2 x Wired MIC port
• 2 x USB 2.0 port
• 1 x 3.5mm audio-out port
• 1 x USB 2.0 Micro-B device port
• 1 x Security slot
Network and security
• SIP v1 (RFC2543), v2 (RFC3261)
• SIP server redundancy supported
• IPv4/IPv6
• NAT traversal: STUN mode
• Proxy mode and peer-to-peer SIP link mode
• IP assignment: static/DHCP
• HTTP/HTTPS web server
• Time and date synchronization using SNTP
• UDP/TCP/DNS-SRV (RFC 3263)
• QoS: 802.1p/Q tagging (VLAN), Layer 3 ToS, DSCP
• SRTP for voice encryption
• Transport Layer Security (TLS)
• HTTPS certificate manager
• AES encryption for configuration file
• Digest authentication using MD5/MD5-sess
• OpenVPN, IEEE802.1X
Management
• Configuration: browser/phone/auto-provision
• Auto provision via FTP/TFTP/HTTP/HTTPS for
mass deploy
• Auto-provision with PnP
• Zero-sp-touch, TR-069, SNMP
• Reset to factory, reboot
• Package tracing export, system log
Other physical features
• External Yealink PoE adapter (optional)
• Power consumption (PoE): 5.25w-12.3w
• Dimension (W*D*H): 338mm*338mm*74mm
• Operating humidity: 10~90%
• Storage temperature: -10~40°C (+14~104°F)
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