Yealink SIP-T31G Classic Business IP Phone (without PSU)
The Yealink SIP-T31G is a classic business IP phone offering 2-line SIP support, HD voice quality, and intuitive usability for professional offices. Ideal for SMBs seeking reliable VoIP communication without the power adapter.
Description
Yealink SIP-T31G — Classic 2-Line Business IP Phone (No PSU Included)
The Yealink SIP‑T31G is a classic business IP phone designed to deliver reliable and cost-effective VoIP communication for small and medium-sized businesses. Engineered with high-quality components and a user-friendly interface, it ensures clear audio, efficient call handling, and seamless integration with IP‑PBX systems.
This model comes without a Power Supply Unit (PSU), allowing flexible installation using Power over Ethernet (PoE) or a third-party power adapter, making it ideal for offices with existing PoE-enabled network infrastructure.
With a 2.3-inch graphical LCD screen, the SIP‑T31G provides intuitive navigation, call information, and programmable keys. It supports wideband audio, full-duplex hands-free speakerphone, multiple call appearances, and call transfer features, ensuring professional telephony functionality.
Whether for reception desks, shared workspaces, or standard office desks, the Yealink SIP‑T31G combines simplicity, reliability, and cost-efficiency for everyday business communication.
Key Features:
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2-Line SIP Support: Handles two independent VoIP accounts for multitasking.
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HD Voice Quality: Clear, natural conversations via Yealink Optima HD Voice.
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Intuitive User Interface: Easy navigation with backlit display and soft keys.
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PoE Enabled: Supports Power over Ethernet (PoE) for simplified installation.
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Energy Efficient: Reduces power consumption with Yealink’s Eco-Design.
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Flexible Connectivity: 2 × 10/100 Mbps network ports for seamless integration.
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Call Management Functions: Hold, transfer, forward, redial, and conference support.
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Durable Business Design: Compact and robust for office use.
Hardware & Technical Specs:
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Display: 132 × 64-pixel graphical LCD with backlight
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Ethernet Ports: 2 × 10/100 Mbps for LAN and PC pass-through
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SIP Accounts: 2 independent accounts for VoIP calls
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Audio Features: Full-duplex speakerphone, echo cancellation, headset support
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Protocols Supported: SIP, RTP, RTCP, DNS SRV, DHCP, HTTP/HTTPS
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Power: PoE (802.3af) or optional AC adapter (sold separately)
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Dimensions: 185 mm × 185 mm × 160 mm
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Operating Temperature: 0°C to 40°C
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Package Note: Power Supply Unit (PSU) not included
Technical Datasheet
You can download the full technical documentation for this product from the link below:
Download PDF Datasheet
