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Yealink SIP-T31P IP phone


Grandstream GXP 2140 Business VoIP Phone

Yealink SIP-T31G IP phone

Quick Overview

Key Features and Benefits

  • 2.3” 132x64-pixel graphical LCD with backlight

  • Dual-port Gigabit Ethernet

  • PoE support

  • Opus codec support

  • Up to 2 SIP accounts

  • Local 5-way conferencing

  • Support EHS Wireless Headset

  • Support YDMP/YMCS 

  • Stand with 2 adjustable angles

  • Wall mountable




As a very fashionable and friendly entry-level Gigabit IP phone, Yealink SIP-T31G has an extra-large 132x64-pixel graphical LCD with a backlight that brings a clear visual experience for users. The T31G offers support for two VoIP accounts and includes local 5-way conferencing to maximize productivity. Working with the adjustable multi-angle stand, the T31G IP phone ensures you work in a different situation. Meanwhile, the T31G features built-in Power over Ethernet (PoE) and superb high definition (HD) sound quality. Easy-to-use and powerful features together with reasonable price deliver excellent voice communications solutions.

Technical Specifications

Brand Yealink
Display 2.3” 132x64-pixel graphical LCD with backlight
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 • RTCP-XR, VQ-RTCPXR • Enhanced DSS Key
Features Key • 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

PBX Features Busy Lamp Field (BLF), Bridged Line Appearance (BLA) • Anonymous call, anonymous call rejection • Hot-desking, voice mail • Flexible seating • Call park, call pickup • Executive and Assistant • Centralized call recording • Visual voice mail • Call recording
Audio Feature HD voice: HD handset, HD speaker • Smart Noise Filtering • Wideband codec: Opus, G.722 • Narrowband codec: G.711(A/μ), G.723.1, G.729, G.729A, G.726, 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
Power Efficiency

External Yealink AC adapter AC 100~240V input and DC 5V/600mA output

Power consumption (PSU): 2-3W, Power consumption (PoE): 3-4W


Wall mountable

Dimension (W*D*H*T): 188mm*189mm*162mm*50mm

Temperature and Humidity

Operating humidity: 10~95%

Operating temperature: -10~50°C (+14~122°F)


Additional Information

Manufacturer Yealink
Country of Manufacture
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