> Revolutionarily new design

> Yealink Optima HD voice

> Dual-port Gigabit Ethernet

> 7″ 800 x 480-pixel touch screen with backlight

> Built-in a USB port, support Bluetooth headset(Through USB Dongle)

> Up to 6 SIP accounts

> Paper label free design

> PoE support

> Headset, EHS support

> Supports expansion modules

> Stand with 2 adjustable angles

> Wall mountable

Audio Features
> HD voice: HD handset, HD speaker
> Cod ecs: G.722, G.711(A/μ), G.723.1, G.729AB, G.726, GSM, 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
> 6 VoIP accounts
> Call hold, mute, DND
> One-touch speed dial, hotline
> Call forward, call waiting, call transfer
> Group listening, emergency call
> Redial, call return, auto answer
> 3-way conferencing
> Direct IP call without SIP proxy
> Ring tone selection/import/delete
> Set date time manually or automatically
> Dial plan, XML Browser, action U RL/URI

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

Display and Indicator
> 7″ 800 x 480-pixel color touch screen with backlight
> 24 bit depth color
> LED for call and message waiting indication
> Wallpaper
> Intuitive user interface with icons and soft keys
> National language selection
> Caller ID with name, number and photo

Feature keys
> 29 one-touch DSS keys
> 7 features keys: message, headset, hold, mute,
transfer, redial, hands-free speakerphone
> 6 navigation keys
> Volume control keys
> Illuminated mute key
> Illuminated headset key
> Illuminated hands-free speakerphone key

Interface
> Dual-port Gigabit Ethernet
> Power over Ethernet (IEEE 802.3af ), class 3
> Built-in a USB port, support Bluetooth headset (Through USB Dongle)
> 1xRJ9 (4P4C) handset port
> 1xRJ9 (4P4C) headset port
> 1XRJ12 (6P6C) EXT port:
Supports up to 6 Expansion Modules for an attendant console application

Other Physical Features
> Wall mountable (sold separately)
> External universal AC adapter (sold separately)
AC 100~240V input and DC 5V/2A output
> Power consumption (PSU): 2.0-6.4W
> Power consumption (PoE): 2.4-10.5W
> Dimension(W*D*H*T):
266mm*226mm*185mm*54mm
> Operating humidity: 10~95%
> Storage temperature: -10~50°C

Network and Security
> SIP v1 (RFC2543), v2 (RFC3261)
> Call server redundancy supported
> NAT transverse: STUN mode
> Proxy mode and peer-to-peer SIP link mode
> IP assignment: static/DHCP/PPPoE
> 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
> Transport Layer Security (TLS)
> HTTPS certificate manager
> AES encryption for configuration file
> Digest authentication using MD5/MD5-sess
> OpenVPN, IEEE802.1X
> IPv6

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
> Phone lock for personal privacy protection
> Reset to factory, reboot
> Package tracing export, system log

Package Features
> Qty/CTN: 5 PCS
> N.W/CTN: 8.1KG
> G.W/CTN: 9.16K
> Giftbox size: 274mm*258mm*142mm
> Carton Meas: 732mm*286mm*266mm