Description

Yealink SIP‑T31W IP Phone

2‑Line SIP Phone • Dual‑Band Wi‑Fi • PoE Support

The Yealink SIP‑T31W is a cutting‑edge yet affordable SIP desk phone tailored for modern businesses needing flexibility, clarity, and ease of deployment. Supporting dual 2.4 GHz/5 GHz Wi‑Fi and Power‑over‑Ethernet, this two‑line office phone delivers full Gigabit VoIP performance without requiring wired network drops—ideal for flexible workspaces, remote offices, or campus environments.

📡 Built‑In Dual‑Band Wi‑Fi

Yealink SIP‑T31W Featuring Intel Wi‑Fi 5 (802.11a/b/g/n/ac), the Yealink SIP‑T31W lets you connect wirelessly to your network, bypassing structured Ethernet cabling. This opens possibilities for:

• Quick deployment in hot‑desk areas

• Flexible office layouts without cabling constraints

• Easy room reassignments

• Office expansion without rewiring

The Wi‑Fi connection keeps full VoIP quality with robust throughput and low latency networks.

🎧 High‑Definition Audio & Smart Noise Filtering

Clear communication is vital. The Yealink SIP‑T31W ensures crystal‑clear HD sound using:

• Wideband codec (G.722) for sharp voice clarity

• Smart Noise Filtering to reduce background noise in busy environments

• AEC, VAD, CNG, PLC, AJB, AGC for full‑duplex conversations without echo or distortion

These technologies combine to deliver hospital‑quiet soundwork even in dynamic offices or kiosks.

🔢 User‑Friendly 2.3″ Backlit LCD

The 2.3″, 132 × 64 pixel monochrome display includes backlight indicators and caller ID—making use simple and intuitive. With 2 line‑keys and six soft function keys (Transfer, Message, Headset, Redial, Mute, Speaker), navigating menus is effortless.

📞 Essential Phone Features

The Yealink SIP‑T31W is rich in UC capabilities:

• Dual SIP accounts for multiple numbers or services

• Local 5‑way voice conferencing for small team calls

• BLF & BLA, hot‑desking, call transfer/hold/forward

• XML browser, action URLs, speed‑dial, hot‑line, redial, and more

• Supports RTCP‑XR, VQ‑RTCPXR for call quality monitoring

These functions make it well‑suited for front‑desk, collaborative, or supervisory roles.

🖇 Ethernet & PoE Support

Yealink SIP‑T31W Equipped with dual 10/100 Mbps ports, the second port allows daisy‑chaining to a PC or extender. It also supports IEEE 802.3af Power‑over‑Ethernet, eliminating the need for power adaptors and simplifying desk setups.

🏗 Ergonomic Design & Flexibility

Visit ergonomic details include:

• Hall‑effect handset switch for quiet handling (no clicking noise)

• Adjustable multi‑angle stand for comfortable viewing

• Wall‑mountable with backplate attachment

• Supports EHS wireless headset, ideal for cord‑free desk use

Its sleek grey housing fits in diverse office environments effortlessly.

🔐 Enterprise‑Level Security

The Yealink SIP‑T31W is built for secure communication, offering:

• TLS 1.3, SRTP, and HTTPS for encrypted calls and configuration

• WPA2/WPA3 Wi‑Fi security

• Secure boot, certificate manager, AES‑256 config encryption

• Support for IPv6, IEEE 802.1X, OpenVPN, L2TP, and more

These features are essential for IT governance and risk‑conscious environments.

🛠 Deployment & Management

The Yealink SIP‑T31W supports:

• Unified T3 firmware compatible with Yealink provisioning systems

• Bulk deployment via FTP/TFTP/HTTP/HTTPS, TR‑069, Zero‑touch (PnP) provision, YDMP/YMCS

• Remote diagnostics including log collection, remote reboot/upgrade, and task scheduling

• Compatible with Yealink Device Management platforms for streamlined UCC maintenance Yealink Support+15Yealink+15IP Phone Warehouse+15Yealink

This significantly reduces the total cost of deployment and maintenance.

📋 Short & Brief Specifications

• Lines / Accounts: 2 SIP accounts

• Display: 2.3″ 132 × 64 pixel backlit LCD

• Wi‑Fi: Dual‑band 802.11a/b/g/n/ac (up to 433 Mbps)

• Ethernet: 2× 10/100 Mbps (PoE class 2 via port 1)

• Audio Codecs: G.722, G.711μ/A, G.723.1, G.729 variants, G.726, iLBC

• HD Audio: HD handset/speaker, AEC, VAD, CNG, PLC, AJB, AGC

• Conferencing: Local 5‑way

• Security: TLS 1.3, SRTP, WPA2/3, Secure boot, AES‑256

• Power: PoE or 5V DC adapter (0.6A)

• Power Consumption: 1.3–1.7 W (AC), 2–2.6 W (PoE)

• Interfaces: RJ9 handset/headset ports, 2× RJ45 LAN, 12 unused USB

• Expandability: EHS headset support

• Mounting: Tabletop with angle stand, wall mountable

• Physical Size: 188 × 189 × 50 mm

• Operating Temp: –10 °C to +45 °C

• Storage Temp: –30 °C to +70 °C

• Humidity: 10–95% non-condensing

✅ What Makes the T31W Stand Out

• No‑cable deployment: Dual‑band Wi‑Fi eliminates Ethernet wiring

• Superior call clarity: HD audio with smart noise reduction

• Cost‑effective expansion: 5‑way conferencing included

• Robust security: Industry‑grade encryption and authentication

• Flexible provisioning & management: Excellent for IT administration

🔚 Final Verdict

The Yealink SIP‑T31W is a feature-rich, reliable IP phone ideal for SMBs, remote workers, shared offices, and reception areas. With dual‑band Wi‑Fi, HD voice, PoE support, and strong deployment features—all wrapped in a sleek build—it offers a modern, scalable communication tool at a competitive price point.

🔗 Links

Official Product Page – Yealink SIP‑T31W

Radox Technology Limited – Yealink SIP‑T31W IP Phone