Overview

About the Yealink SIP-T31W

The T31W supports 2.4G/5G built-in WiFi, providing more options for network connectivity. Enjoy faster, hassle-free deployment with reduced cabling for a more attractive and efficient workspace.

The Yealink T3 series provides distraction-free communications with industry leading Smart Noise Filtering Technology, which delivers excellent sound quality without extraneous noises and allows fluent conversations.

Classic Design, Practical DetailsDesigned by Yealink original team, T3 series inherits the design concept of Yealink IP phone family. The advanced design including modern appearances and ergonomic details enables easier and friendly operation experience to users.

No popping sound when picking up or putting on the handset. Provides a quieter working area and longer service life.

For diverse and flexible working scene (not applicable to US wall plate Standard).

Specifications

SIP-T31W technical specifications

Source datasheet

HD voice: HD handset, HD speaker
Smart Noise Filtering
Wideband codec: G.722
Narrowband codec: PCMU(G.711µ), PCMA (G.711A), G.723.1, G.729, G.729A, G.729B, G.729AB, 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

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
Built-in dual-band Wi-Fi
- Network standard: IEEE802.11a/b/g/n/ac
- Transmission rate: Up to 433Mbps (dynamic)
- Frequency range: 2.4GHz/5.0GHz
Enhanced DSS Key