Audio
Voice codecs	G.722, G.729, AGC, G.729A, AJB, PLC, G.711Mu, VAD, G.711a, G.723.1, G.726, iLBC, CNG, OPUS
Speakerphone
Microphone mute
Comfort noise generation (CNG)
Packet loss concealment (PLC)
Certificates
Compliance certificates	RoHS, REACH
Sustainability compliance
Design
Product type	IP Phone
Handset type	Wired handset
Product colour	Grey
Display
Display	LCD
Display diagonal	5.84 cm (2.3")
Display resolution	132 x 64 pixels
Touchscreen
Backlight display
Logistics data
Harmonized System (HS) code	85171800
Management features
Plug and Play
Network
Ethernet LAN interface type	Fast Ethernet
Ethernet LAN data rates	10,100 Mbit/s
Networking standards	IEEE 802.3af, IEEE 802.1p, IEEE 802.1Q, IEEE 802.1x
Ethernet LAN
Wi-Fi
Bluetooth
Quality of Service (QoS) support
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)
Mounting kit
Ethernet cable
Handset
Quick start guide
Phone features
Phonebook capacity	1000 entries
Number of VoIP accounts	2
Answering machine
Conference call
Caller ID
Call waiting
Speed dialling
Call hold
Call forwarding
Redialing
Anonymous call
Anonymous call rejection
Full duplex
Call return
Call transfer
Call history
SIP registrar server
Ports & interfaces
Ethernet LAN (RJ-45) ports	2
RJ-9 ports quantity	2
DC-in jack
Power
AC adapter input voltage	100 - 240 V
AC adapter output voltage	5 V
AC adapter output current	0.6 A
Power consumption (typical)	3 W
Power over Ethernet (PoE)
Weight & dimensions
Width	188 mm
Depth	189 mm
Height	162 mm
Package width	213 mm
Package depth	210 mm
Package height	103 mm

Yealink SIP-T31P is an entry-level IP phone with high performance and offers support for 1 VoIP account as well as local 5-way telephone conferences. Other features include built-in PoE, EHS35 support for the Yealink wireless headset, and an adjustable stand mount.

Highlights

• Stronger performance, more options
• Excellent HD audio quality
• Classic design with practical details
• Two-port 10/100M Ethernet switch
• Supports PoE

Product type

• Corded device
• ear category (ElektroG): relevant, category 6: small IT and telecommunications technology devices, small IT and telecommunications technology devices B2C

Telephone properties

• Telephone type: SIP
• Number of telephone book entries: 1000

Display

• Display lighting

Basic properties

• Color: Dark gray
• Height: 162 mm
• Length/depth: 189 mm
• Width: 188 mm

Scope of delivery

• Yealink SIP-T31P
• Handset with cable
• Ethernet cable (1.5 m CAT5E UTP cable)
• Stand holder
• Quick start guide
• Power supply (optional)