Yealink SIP- T31W IP Phone

The SIP-T31W is a VoIP phone designed for small to medium-sized businesses. It is part of the T3 series and offers a range of features to enhance communication and productivity.

SKU: T31W Category:

Yealink SIP- T31W

IP Phone

The Yealink SIP-T31W is a VoIP phone designed for small to medium-sized businesses. It is part of T3 series and offers a range of features to enhance communication and productivity.

The utilizes the Session Initiation Protocol (SIP) for voice and video communication over IP networks. It supports both wired and wireless connectivity, allowing for flexibility in deployment. The phone features a built-in Wi-Fi module, enabling wireless connection to the network, in addition to the standard Ethernet port.

The phone’s design includes a 2.3-inch 132×64-pixel graphical LCD display, which provides a clear and intuitive user interface. It allows for easy navigation through menus and settings. The phone also has a single-line appearance, making it suitable for users who require basic calling functionality.

Yealink T31W

In terms of audio quality, the incorporates HD Voice technology, which ensures crystal-clear voice communication. It also supports wideband audio codecs such as Opus and G.722, further enhancing the audio experience.

The supports essential call features such as call hold, call transfer, call waiting, and three-way conferencing. It also includes advanced features like call forwarding, call park, and call pickup, which can improve call handling efficiency in busy office environments.

Other notable features of the SIP-T31W include:

Power over Ethernet (PoE) support The telecellsmartphone may be powered thru the Ethernet cable, removing the want for a separate electricity adapter.

Yealink T31W

Dual-port Ethernet switch It allows for the connection of additional network devices, such as a computer, without requiring an extra network drop.

Integrated stand with adjustable angle

The phone’s stand can be adjusted to provide a comfortable viewing angle.

Support for up to three SIP accounts Users can configure multiple SIP accounts on the phone, allowing for separate lines or extensions.

Integrated 802.11b/g/n Wi-Fi

The phone can connect to wireless networks, providing flexibility in office setups.

Overall, the Yealink SIP-T31W is a cost-effective and feature-rich VoIP phone suitable for small to medium-sized businesses seeking reliable communication solutions.

Yealink T31W


Audio Feature


HD Voice

HD handset, HD speaker

Narrowband codec

PCMU (G.711µ), PCMA (G.711A), G.723.1, G.729, G.729A, G.729B, G.729AB, G.726, iLBC

Smart Noise Filtering

Telephony Features




N-way Conferencing


Display and Indicator



2.3" black-white graphical LCD



LCD Type (backlight)




Line keys

2 (with LED)

Feature keys


Navigation keys


Volume Control keys



Handset Port

2x RJ9

Ethernet Port

2 x RJ45 10/100M Ethernet ports


Built-in(2.4G and 5G)




AC Adapter

Input: AC 100-240 V Output: DC 5V/0.6A

Power Consumption

PSU: 1.3-1.7W PoE: 2-2.6W

Other Physical Features



Classic Grey

Wall Mountable

Foot Stand

2 adjustable angles

Dimension (W×D×H×T)

188 × 189 × 162 × 50mm

Operating Humidity


Operating Temperature

-10 to +45°C (+14 to 113°F)

Storage temperature

-30 to +70°C (-22 to+158°F)


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