Yealink T31G Gigabit IP Phone with 2 Lines & HD Voice (SIP-T31G) | Like New
Individually boxed with handset, ethernet cable and curly cord
All orders will ship on January 5, 2026
Individually boxed with handset, ethernet cable and curly cord
All orders will ship on January 5, 2026
The Yealink T31G Gigabit IP Phone with 2 Lines & HD Voice (SIP-T31G) is a desktop VoIP phone with many features, aimed at providing small businesses, home offices and enterprise setups with professional-level communications. The T31G combines strong functionality with a budget-friendly price, featuring dual Gigabit Ethernet ports for fast connectivity, integrated Power over Ethernet (PoE) and support for two SIP accounts. This makes it perfect for users requiring dependable, high-quality voice communication and adaptable network integration. The T31G features an extra-large 2.3-inch graphical LCD (132x64 pixels) with a backlight, offering a clear and user-friendly interface for call and contact management. With local 5-way conferencing, an adjustable multi-angle stand, and wall-mountable design, the T31G adapts to various workspaces and collaboration needs. Yealink’s industry-leading HD Voice and Smart Noise Filtering technologies ensure every conversation is crisp and distraction-free, whether using the handset, full-duplex speakerphone or a compatible wired headset.
• 2.3" Backlit Graphical LCD with large, high-contrast display for easy navigation and call management.
• Dual Gigabit Ethernet Ports ensures fast, reliable network connectivity and supports PoE for simplified installation.
• HD Voice & Smart Noise Filtering delivers superior audio clarity and reduces background noise for professional conversations.
• Supports 2 SIP Accounts that manage two VoIP lines simultaneously, perfect for multitasking or shared workspaces.
• Local 5-Way Conferencing enables efficient group collaboration directly from the phone.
• Adjustable Multi-Angle Stand with ergonomic design adapts to various desk setups and user preferences.
• Wall Mountable with flexible installation options to fit any office environment.
• EHS Headset Support that is compatible with wireless headsets for hands-free operation.
• Unified Firmware & Easy Management simplifies deployment, updates and maintenance with Yealink Device Management Platform.
• Advanced Security that features TLS 1.3 encryption, SRTP, HTTPS, OpenVPN and more for secure communications.
🗹 Dual-line support, 5-way conferencing and intuitive controls streamline call handling and collaboration.
🗹 HD Voice and noise filtering ensure every conversation is clear, even in busy environments.
🗹 PoE, unified firmware and remote management tools reduce IT workload and simplify setup.
🗹 Adjustable stand and wall-mount options fit any workspace, while EHS support offers headset flexibility.
🗹 Advanced encryption and robust build quality protect your business communications and ensure long-term reliability.
🗹 Delivers enterprise-level features at an entry-level price, making it ideal for businesses of any size.
| Manufacturer | Yealink |
| Manufacturer Part Number | SIP-T31G |
| Product Name | Yealink T31G Gigabit IP Phone with 2 Lines & HD Voice |
| Product Type | IP Phone |
| IP Address Assignment | DHCP, PPPoE, Static |
| IP Telephony Network Ports | 2 x Ethernet 10Base-T/100Base-TX |
| Network Features | Lightweight Directory Access Protocol (LDAP), Network Address Translation (NAT) |
| Network Protocols | DNS, HTTP, HTTPS, IP, Link Layer Discovery Protocol (LLDP), SNMP, SRTP, STUN, TFTP |
| Phone Connections | Handset jack / RJ-9, Headset jack / RJ-9 |
| Backlit Display | Yes |
| Color Support | Monochrome |
| Display Diagonal Size | 2.3 inch |
| Display Diagonal Size | 5.8 centimetre |
| Display Location | Base |
| Display Resolution | 132 x 64 pixels |
| Display Type | LCD display |
| Indicators & Controls | Voice message waiting indicator |
| Multiple Conferencing | 5-way |
| Phone Directory Capacity | 1000 names & numbers |
| Speakerphone | Yes |
| Voice Codec | G.711A/µ, G.722, G.723.1, G.726, G.729ab, iLBC |
| Additional Functions | Call recording, Intercom |
| Call Services | Call Forwarding, Call Hold, Call Transfer, Call Waiting, Caller ID, Message Waiting Capability, Voicemail |
| Dialer Location | Base |
| Lines Supported | 2 lines |
| Main Features | Integrated Ethernet switch, Multiple VoIP protocol support |
| Packaged Quantity | 1 |
| Placing/Mounting | Table-top, Wall-mountable |
| Power Over Ethernet (PoE) Support | Yes |
| Product Type | VoIP phone |
| Quality of Service | IEEE 802.1p, IEEE 802.1Q (VLAN) |
| Security | TLS |
| VoIP | Yes |
| VoIP Protocols | SIP, SIP v2, SRTP |
| Volume Control | Yes |
| Cables | Ethernet cable |
| Phone Accessories Included | Stand |
| Base Depth | 7.4 inch |
| Base Height | 6.4 inch |
| Base Width | 7.4 inch |
| Color | Classic gray |
| Color Category | Gray |
| ENERGY STAR Certified | No |