Yealink SIP-T31

The Yealink SIP-T31 is an entry-level IP phone designed for small businesses and office environments. Despite its affordable price, it offers powerful features like HD voice, dual-line support, and a user-friendly interface, making it a solid choice for reliable VoIP communication.

Features

• Dual-Line Support: Handle up to 2 SIP accounts simultaneously
• HD Voice: Yealink Optima HD Voice technology for crystal-clear sound quality
• Display: 2.3" 132x64 pixel graphical LCD with backlight
• Power over Ethernet (PoE): IEEE 802.3af support (no separate power adapter needed)
• Headset Support: RJ9 headset port for hands-free operation
• Wall-Mountable: Can be mounted on a wall or used on a desktop
• Easy Provisioning: Supports auto-provisioning via FTP, TFTP, HTTP, or HTTPS

Benefits

• Perfect balance of affordability and functionality for everyday business use
• Simple setup and operation – ideal for small teams or reception desks
• High audio clarity for professional communication
• Compact design with essential features for SIP-based systems

Technical Specifications

• Display: 2.3" graphical LCD, 132x64 pixels, backlit
• SIP Accounts: Up to 2
• Audio Codecs: Opus, G.722, G.711(A/μ), G.729, G.726, iLBC
• Ports: 2 x 10/100 Mbps Ethernet ports
• Headset Port: RJ9
• PoE Support: Yes (IEEE 802.3af)
• Wall Mount: Yes
• Power Supply: Optional external adapter (if PoE not used)

Recommended Usage

• Ideal for small businesses, startups, or home office VoIP setups
• Perfect for receptionists, support desks, or shared office phones
• Great for businesses that need simple, cost-effective IP phones

Keywords

Yealink SIP-T31, entry-level IP phone, VoIP desk phone, business SIP phone, PoE phone, HD voice phone, affordable office phone, Yealink T3 series.