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Yealink T31G Gigabit IP Phone, Enlarged Graphical Design, PoE Enabled


Key Features

  • 132×64-pixel graphical LCD
  • PoE enabled
  • Single SIP account

Downloads  & Manuals


$318.83 for 3 item(s)

Yealink T31G Gigabit IP Phone

Yealink T31G Gigabit IP Phone is designed with a 132×64 pixel enlarged graphic LCD display, providing users with a clear visual experience. T31G supports two VoIP accounts and includes a local 5-party conference for best performance. T31G is PoE enabled and excellent high-definition (HD) audio quality. The powerful, easy-to-use features combined with cost effectiveness provide an excellent voice communication solution.

One of the key  features of the Yealink SIP-T31G VoIP Phone is the  graphical appearance of the Liquid Crystal Display  ‘LCD’  (132 x 64px) . It is equipped with dual Ethernet ports (10/100Mbps) and  PoE port. T31G is unique and simple to deploy and integrates a 5-way local conferencing and support for EHS wireless headsets. The  unified firmware, makes the T3 series  simple to deploy and manage.

The T3 series was developed by the original Yealink team and inherited the design concept of the Yealink IP phone family. Exquisite design, modern appearance and ergonomic details make the operation easier and more convenient.

What’s in the Package Box:

  • Yealink T31G Gigabit IP Phone
  • Handset with handset cord
  • Ethernet Cable (1.5m CAT5E UTP Cable)
  • Base Stand
  • Quick Start Guide

Uniqueness of SIP- T31G

  • 2 SIP account compared with T30P 
  • Supports Yealink HD Voice
  • Display: Graphical LCD 2.3 Inch (132×64 px)
  • Dual-Port Ethernet Switch (10/100Mbps)
  • Supports (PoE) Power over Ethernet
  • Supports Opus codec
  • Local 5-way conferencing
  • Supports EHS Wireless Headset
  • Unified Firmware
  • Adjustable base stand – 2 angles
  • Wall mountable

Yealink T31G – Technical Specifications

Audio Features

  • HD voice: HD handset, HD speaker
  • Smart Noise Filtering
  • Wideband codec: Opus, G.722
  • Narrowband codec: G.711(A/μ), G.723.1,G.729AB, G.726, iLBC
  • DTMF: In-band, Out-of-band (RFC 2833) and SIP INFO
  • Full-duplex hands-free speakerphone with AEC

Phone Features

  • 2 VoIP accounts
  • Call hold, mute, DND
  • One-touch speed dial, hotline
  • Call forward, call waiting, call transfer
  • Group listening, SMS, emergency call
  • Redial, call return, auto answer
  • Local 5-way conferencing
  • Direct IP call without SIP proxy
  • Ring tone selection/import/delete
  • Set date time manually or automatically
  • Dial plan
  • XML Browser, action URL/URI
  • Integrated screenshots
  • Enhanced DSS Key


  • Local phonebook up to 1000 entries
  • Black list
  • XML/LDAP remote phonebook
  • Smart dialing
  • Phonebook search/import/export
  • Call history: dialed/received/missed/forwarded

IP-PBX Features

  • Busy Lamp Field (BLF), Bridged Line Apperance(BLA)
  • Anonymous call, anonymous call rejection
  • Hot-desking, voice mail
  • Flexible seating
  • Call park, call pickup
  • Executive and Assistant
  • Centralised call recording
  • Visual voice mail
  • Call recording

Display and Indicator

  • 2.3” 132×64-pixel graphical LCD with backlight
  • LED for call and message waiting indication
  • Dual-colour (red or green) illuminated LEDs forline status information
  • Intuitive user interface with icons and soft keys
  • Multilingual user interface
  • Caller ID with name and number
  • Power saving

Feature keys

  • 2 line keys with LED
  • 6 features keys: transfer, message, headset, redial, mute, hands-free speakerphone
  • 5 navigation keys
  • Volume control keys


  • Dual-port Gigabit Ethernet
  • Power over Ethernet (IEEE 802.3af), class 2
  • 1 x RJ9 (4P4C) handset port
  • 1 x RJ9 (4P4C) headset port

Other Physical Features

  • Colour: Classic Grey
  • Wall mountable
  • External Yealink AC adapter AC 100~240V input and DC 5V/600mA output
  • Power consumption (PSU): 2-3W
  • Power consumption (PoE): 3-4W
  • Dimension (W*D*H*T): 188mm*189mm*162mm*50mm
  • Operating humidity: 10~95%
  • Operating temperature: -10~50°C (+14~122°F)


  • 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

Network and Security

  • SIP v1 (RFC2543), v2 (RFC3261)
  • Call server redundancy supported
  • NAT traversal: STUN mode
  • Proxy mode and peer-to-peer SIP link mode
  • IP assignment: static/DHCP
  • HTTP/HTTPS web server
  • Time and date synchronisation using SNTP
  • UDP/TCP/DNS-SRV (RFC 3263)
  • QoS: 802.1p/Q tagging (VLAN), Layer 3 ToSDSCP
  • SRTP for voice
  • Transport Layer Security (TLS)
  • HTTPS certificate manager
  • AES encryption for configuration file
  • Digest authentication
  • OpenVPN, IEEE802.1X
  • IPv6
  • ICE

Package Features

  • Package content:
    – Yealink SIP-T31G IP phone
    – Handset with handset cord
    – Ethernet Cable (1.5m CAT5E UTP Cable)
    – Stand
    – Quick Start Guide
    – Power Adapter (Optional)
  • Qty/CTN: 10 PCS
  • N.W/CTN: 9.98 kg
  • G.W/CTN: 10.836 kg
  • Giftbox size: 213 mm*210 mm*103 mm
  • Carton Meas: 535 mm*443 mm*227 mm

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