Yealink SIP-T31G IP Phone

The Yealink SIP-T31G is a high-performance, entry-level Gigabit IP phone designed for small businesses and professionals requiring reliable and clear voice communication. Supporting two SIP accounts, the T31G features a 2.3-inch backlit LCD display, HD voice with Smart Noise Filtering technology, and integrated Power over Ethernet (PoE). With dual Gigabit Ethernet ports, it ensures fast, uninterrupted network performance, making it ideal for high-speed office environments. The phone is compatible with Yealink EHS headsets, supports unified firmware, and is easily managed via the Yealink Device Management Platform (YDMP/YMCS), making it a scalable and cost-effective solution for modern deployments.

Product Features

Dual-line VoIP functionality
Supports up to 2 SIP accounts, ideal for small offices or shared desk scenarios.

Backlit 2.3-inch LCD display
Provides a 132 x 64-pixel graphical screen for clear visibility of call status and navigation.

HD audio with noise filtering
Delivers crystal-clear voice using Yealink HD Voice and advanced Smart Noise Filtering technology.

Dual Gigabit Ethernet ports
Ensures fast data transmission and reliable connectivity with 10/100/1000 Mbps speed.

Power over Ethernet (PoE)
Simplifies setup by delivering power and data through a single Ethernet cable.

Local 5-way conferencing
Enables efficient multi-party conversations directly from the handset.

EHS headset compatibility
Supports Yealink wireless headsets via EHS for seamless hands-free communication.

Large phonebook and call features
Stores up to 1,000 contacts and includes features like call forwarding, redial, hold, transfer, anonymous call blocking, and speed dial.

Robust network standards and QoS
Complies with IEEE 802.3af and other networking standards with support for Quality of Service (QoS) features.

Ergonomic design with flexible mounting
Includes a two-angle adjustable stand and is wall-mountable for versatile installation options.

Eco-compliant and power efficient
Meets RoHS and REACH environmental standards with a typical power consumption of just 3W.

Product Specifications

• Display: 2.3-inch LCD, 132 x 64 pixels, backlit
• SIP account support: 2
• Voice codecs: G.711a/µ, G.722, G.723.1, G.726, G.729, iLBC, OPUS, AGC, PLC, AJB, VAD, CNG
• Audio features: HD voice, Smart Noise Filtering, speakerphone, microphone mute
• Conferencing: Local 5-way conferencing
• Phonebook capacity: 1,000 entries
• Call management: Call hold, transfer, waiting, forwarding, redial, return, anonymous call/rejection, caller ID, call history
• Ethernet: Dual-port 10/100/1000 Mbps (Gigabit) Ethernet
• Connectivity: 2 x RJ-9 ports, 2 x RJ-45 LAN ports, DC-in jack
• Headset support: EHS-compatible
• Management: Unified firmware, Yealink Device Management Platform (YDMP/YMCS)
• Networking standards: IEEE 802.3af, 802.1p/Q/x
• QoS: Supported
• Power: PoE supported, 5V/0.6A (AC adapter sold separately)
• Typical power consumption: 3W
• Mounting: 2-position adjustable stand, wall mountable
• Dimensions: 188 mm (W) x 189 mm (D) x 162 mm (H)
• Operating conditions: -10°C to 50°C, 10%–95% humidity
• Sustainability: RoHS, REACH certified
• Packaging contents: Handset, Ethernet cable, mounting kit, quick start guide