Call management
Local dial plan
Black listing
Features
Product type	IP conference phone
Control type	Buttons, Touch
Product colour	Black, Silver
Display diagonal	12.7 cm (5")
Display resolution	720 x 1280 pixels
Voice codecs	AGC, AJB, CNG, G.722, G.722.1C, G.723, G.726, G.729, G.729A, OPUS, PCMA, PLC, Silk, VAD, iLBC
Number of microphones supported (max)	2
Number of microphone arrays	3
Microphone pick-up range	6 m
Conference call ways quantity	5
Top Wi-Fi standard	Wi-Fi 5 (802.11ac)
Wi-Fi standards	802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac)
Bluetooth version	4.0
Ethernet interface type	Fast Ethernet
Ethernet LAN data rates	10,100 Mbit/s
Networking standards	IEEE 802.1Q, IEEE 802.1p, IEEE 802.1x, IEEE 802.3af
Supported network protocols	IPv4/IPv6, SNTP, UDP/TCP/DNS-SRV
Security algorithms	AES, HTTPS, MD5, SSL/TLS
Authentication method	Digest
Number of VoIP accounts	1
Direct call	Y
Phonebook capacity	1000 entries
Speaker power	10 W
Speaker diameter	5.6 cm
Compatible products	Skype for Business
Certification	CE, FCC,RoHS, REACH, ISO 9001, CCC
Built-in display
Touchscreen
Audio system full duplex
Echo cancellation
Noise reduction
Microphone mute
Wi-Fi
Bluetooth
Power over Ethernet (PoE)
Quality of Service (QoS) support
Conference call
Call forwarding
Emergency call
Anonymous call
Anonymous call rejection
Call recording
Call hold
Call waiting
Call transfer
Call history
Call return
Volume control
Busy Lamp Field (BLF)
Cable lock slot
Built-in speaker(s)
Logistics data
Products per master (outer) case	4 pc(s)
Master (outer) case gross weight	8.4 kg
Master (outer) case length	589 mm
Master (outer) case width	401 mm
Master (outer) case height	421 mm
Master (outer) case net weight	5.6 kg
Operational conditions
Storage temperature (T-T)	-10 - 40 °C
Operating relative humidity (H-H)	10 - 90%
Packaging content
Cables included	LAN (RJ-45)
Quick installation guide
Ports & interfaces
RJ-45 ports quantity	1
USB version	2.0
USB connector type	Micro-USB B, USB Type-A
USB ports quantity	3
Audio-in ports quantity	2
Audio-out ports quantity	1
USB port
Power
Power consumption (Power over Ethernet (PoE))	9.18 W
Weight & dimensions
Width	338 mm
Depth	338 mm
Height	74 mm
Package width	392 mm
Package depth	405 mm
Package height	141 mm

Optimal HD Voice, full duplex technology
Yealink Noise Proof Technology
20-foot (6-meter) and 360-degree microphone pickup range
5720x1280 multi-touch screen, modern interface
Calendar, Skype for Business conferencing, CAP, Boss/Admin, Hot desking
Supports Office 365