Audio
Voice codecs	AGC, AJB, CNG, G.711a, G.711u, G.722, G.723.1, G.726, G.729A, G.729B, PLC, Silk, VAD, iLBC
Speakerphone
Microphone mute
Noise reduction
Comfort noise generation (CNG)
Packet loss concealment (PLC)
Certificates
Certification	CE, FCC, RoHS, ISO 9001, CCC, REACH
Compliance certificates	CCC, CE, Federal Communications Commission (FCC), REACH, RoHS
Design
Product type	IP Phone
Handset type	Wired handset
Product colour	Grey
Mounting	Desk
Device lock
Display
Display	LCD
Display diagonal	17.8 cm (7")
Display resolution	480 x 800 pixels
Touchscreen type	Capacitive
Number of simultaneous touchpoints	5
Graphical user interface (GUI) language	Multi
Touchscreen
Management features
Integrated voicemail
Firmware upgradeable
Network
Ethernet LAN interface type	Gigabit Ethernet
Ethernet LAN data rates	10,100,1000 Mbit/s
Wi-Fi standards	802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n)
Bluetooth version	4.2
Supported network protocols	IPv4/IPv6, SNTP
Security algorithms	HTTPS, TLS
Networking standards	IEEE 802.11a, IEEE 802.11b, IEEE 802.11g, IEEE 802.11n
Ethernet LAN
Wi-Fi
Bluetooth
DHCP client
Operational conditions
Operating temperature (T-T)	-10 - 50 °C
Operating relative humidity (H-H)	10 - 95%
Packaging content
Number of handles included	1 pc(s)
Cables included	LAN (RJ-45)
Ethernet cable
Handset
Quick start guide
AC adapter included
Stand included
Performance
Operating system installed	Android
Operating system version	9.0
Compatible products	Zoom/Yealink Device Management Platform
Hearing aid compatibility
Phone features
Hot desking
Common area phone (CAP)
Call waiting
Distinctive ring
Intercom
Call hold
Call forwarding
Call pick up
Full duplex
Call transfer
Message-waiting indicator (MWI)
SIP registrar server
Ports & interfaces
USB 2.0 ports quantity	1
Ethernet LAN (RJ-45) ports	2
RJ-9 ports quantity	2
Cable lock slot
Power
AC adapter input voltage	100 - 240 V
AC adapter output voltage	5 V
AC adapter output current	2 A
USB output current	0.5 A
Power consumption (typical)	4.5 W
Power consumption (Power over Ethernet (PoE))	6 W
Power over Ethernet (PoE)
Weight & dimensions
Width	250.4 mm
Depth	168.7 mm
Height	174.4 mm
Package width	278 mm
Package depth	238 mm
Package height	103 mm

• Built-in Bluetooth 4.2 Module and 2.4G/5G Wi-Fi • USB 2.0 port, Support USB Headset, Media and Storage Applications • Dual-port Gigabit Ethernet, Support PoE • Wall mountable • Support Yealink/Zoom Device Management Platform