Yealink SIP-T31P Business IP Phone

The Yealink SIP-T31P is a reliable, entry-level business IP phone designed for professional desktop environments. It supports up to 2 SIP accounts, making it easy to handle multiple lines. With a 2.3″ backlit graphical LCD, HD-quality voice, and integrated power-over-Ethernet (PoE), it delivers clear, efficient communication in a compact, ergonomic package. Built for business, the T31P is simple to deploy, supports unified firmware, and is compatible with Yealink’s device-management tools.

Key Features

• 2 SIP Accounts — Handle two simultaneous VoIP lines.

• HD Audio — Wideband codec (Opus, G.722) plus smart noise filtering for crisp calls. 

• 2.3″ Backlit LCD — 132 × 64-pixel graphical display for easy navigation. 

• 5-Way Conference — Supports local 5-way audio conferencing. 

• PoE Support — Power the phone via Ethernet (IEEE 802.3af) — no separate adapter needed. 

• Dual Ethernet Ports — Two 10/100 Mbps RJ45 ports for network and PC pass-through. 

• EHS Headset Compatibility — Supports wired or wireless headsets with electronic hook-switch (EHS). 

• Classic / Ergonomic Design — Two-angle adjustable stand, wall-mountable, with a robust, professional look.

• Security & Provisioning — Supports TLS / SRTP for encrypted calls, web provisioning (HTTP/HTTPS), auto-provisioning, TR-069, and Yealink’s device management.

• Full-Function Telephony — Features like call hold, mute, DND, transfer, forward, redial, speed dial, directory (local & LDAP), and XML browser.

• Compact & Power-Efficient — Low power consumption (2–4 W depending on power mode) with a compact footprint.