Yealink SIP-T31G 2-Line Gigabit IP Phone HD Voice Business Office Phone
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Product Highlights
- Superior HD Audio: Features Smart Noise Filtering Technology for distraction-free, high-quality conversations.
- Dual-port Gigabit Ethernet: Equipped with dual-port Gigabit Ethernet for high-speed network connectivity.
- PoE Support: Supports Power over Ethernet (IEEE 802.3af) for simplified installation.
- 2.3 Inch LCD Display: Includes a 2.3-inch 132x64-pixel graphical LCD with backlight for clear information.
- Up to 2 SIP Accounts: Supports up to 2 SIP accounts for flexible communication needs.
- Local 5-way Conferencing: Enables local 5-way conferencing for efficient team meetings.
- EHS Wireless Headset Support: Compatible with EHS wireless headsets for hands-free operation.
- Wall Mountable Design: Features a wall-mountable design with adjustable stand angles for versatile placement.
Product Attributes
- Customization
- Available
- Type
- IP phone
- Protocol
- SIP
- Model NO.
- SIP-T31G
- Support
- IP phone
- Number of Channels
- 2
- Wire or Not
- Wire
- Color
- Classic Grey
- LCD display
- 2.3" 132 x 64 Pixel LCD
- Dimension (W*D*H*T)
- 188mm*189mm*162mm*50mm
- Wideband codec
- Opus, G.722
- Ethernet Port
- Dual-port Gigabit Ethernet
- Expansion Module
- no
- PoE
- yes
- Headset
- Support EHS Wireless Headset
- Bluetooth
- no
- Wi-Fi
- no
- Camera
- no
- Video Resolution
- no
- SIP accounts
- 2
- HD Voice
- Yes
- Handset Port
- 1 x RJ9
- Transport Package
- Original Package
- Specification
- 535 mm*443 mm*227mm/10pcs
- Trademark
- Yealink
- Origin
- China
- Production Capacity
- 1000pieces/Week
- Package Size
- 30.00cm * 25.00cm * 12.00cm
- Package Gross Weight
- 3.000kg
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
Product Images of Yealink SIP-T31G 2-Line Gigabit IP Phone HD Voice Business Office Phone
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Product Description
Product Description
SIP-T31G
Key Features
1.Stronger Performance, More Possibilities
The Yealink T3 series provides distraction-free communications with industry leading Smart Noise Filtering Technology, which delivers excellent sound quality without extraneous noises and allows fluent conversations.
3.Classic Design, Practical Details
Designed by Yealink original team, T3 series inherits the design concept of Yealink IP phone family. The advanced design including modern appearances and ergonomic details enables easier and friendly operation experience to users.
4.All in One Platform, Convenient Management
Proven reliability and integrations for Yealink Device Management Platform, installed the unified firmware, T3 series is simple to deploy and manage, which allows a significant reduction in the operation and maintenance cost
Specification
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Audio features
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• HD voice: HD handset, HD speaker
• Smart Noise Filtering
• Wideband codec: Opus, G.722
• Narrowband codec: G.711(A/μ), G.723.1, G.729AB, G.726, iLBC
• DTMF: In-band, Out-of-band (RFC 2833) and SIP INFO
• Full-duplex hands-free speakerphone with AEC
• VAD, CNG, AEC, PLC, AJB, AGC
|
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Display and Indicator
|
• 2.3" 132x64-pixel graphical LCD with backlight
• LED for call and message waiting indication
• Dual-color (red or green) illuminated LEDs for line status information
• Intuitive user interface with icons and soft keys
• Multilingual user interface
• Caller ID with name and number
• Power saving
|
|
Phone Features
|
• 2 VoIP accounts
• Call hold, mute, DND
• One-touch speed dial, hotline
• Call forward, call waiting, call transfer
• Group listening, SMS, emergency call
• Redial, call return, auto answer
• Local 5-way conferencing
• Direct IP call without SIP proxy
• Ring tone selection/import/delete
• Set date time manually or automatically
• Dial plan
• XML Browser, action URL/URI
• Integrated screenshots
• RTCP-XR, VQ-RTCPXR
• Enhanced DSS Key
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IP-PBX Features
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• Busy Lamp Field (BLF), Bridged Line Apperance (BLA)
• Anonymous call, anonymous call rejection
• Hot-desking, voice mail
• Flexible seating
• Call park, call pickup
• Executive and Assistant
• Centralized call recording
• Visual voice mail
• Call recording
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Directory
|
•Loal phonebook up to 1000 entries
• Black list
• XML/LDAP remote phonebook
• Smart dialing
• Phonebook search/import/export
• Call history: dialed/received/missed/forwarded
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Feature keys
|
• 4 line keys with LED
• 5 features keys: message, headset, redial, mute, hands-free speakerphone
• 6 navigation keys
• Volume control keys
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Interface
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• Dual-port Gigabit Ethernet
• Power over Ethernet (IEEE 802.3af), class 2
• 1 x RJ9 (4P4C) handset port
• 1 x RJ9 (4P4C) headset port
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Management
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Configuration: browser/phone/auto-provision
• Auto provision via FTP/TFTP/HTTP/HTTPS for mass deploy
• Auto-provision with PnP
• Zero-sp-touch, TR-069
• Phone lock for personal privacy protection
• Reset to factory, reboot
• Package tracing export, system log
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Network and Security
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> SIP v1 (RFC2543), v2 (RFC3261)
> Call server redundancy supported
> NAT traversal: STUN mode
> Proxy mode and peer-to-peer SIP link mode
> IP assignment: static/DHCP/PPPoE
> HTTP/HTTPS web server
> Time and date synchronization using SNTP
> UDP/TCP/DNS-SRV(RFC 3263)
> QoS: 802.1p/Q tagging (VLAN), Layer 3 ToS DSCP
> SRTP for voice
> Transport Layer Security (TLS)
> HTTPS certificate manager
> AES encryption for configuration file
> Digest authentication
> OpenVPN, IEEE802.1X
> IPv6, LLDP/CDP/DHCP VLAN, ICE
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Other Physical Features
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• Color: Classic Grey
• Wall mountable
• External Yealink AC adapter
AC 100~240V input and DC 5V/600mA output
• Power consumption (PSU): 2-3W
• Power consumption (PoE): 3-4W
• Dimension (W*D*H*T):
188mm*189mm*162mm*50mm
• Operating humidity: 10~95%
• Operating temperature: -10~50°C (+14~122°F)
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Package features
|
• Package content:
- Yealink SIP-T31G IP phone
- Handset with handset cord
- Ethernet Cable (1.5m CAT5E UTP Cable)
- Stand
- Quick Start Guide
- Power Adapter (Optional)
• Qty/CTN: 10 PCS
• N.W/CTN: 9.98 kg
• G.W/CTN: 10.836 kg
• Giftbox size: 213 mm*210 mm*103 mm
• Carton Meas: 535 mm*443 mm*227 mm
|
Recommended Products
| SIP-T31G | SIP-T42S | SIP-T56A | SIP-T23P |
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Our products and solutions serve customers worldwide, with significant exports to the Middle East, Africa, the Americas, Europe, and Asia.
About the Supplier
This supplier has been audited by BV. Verify the report on the official BV website with ID "MIC-ASR252992". Items marked "" are certified.
Company Profile
SHENZHEN YIBOTE INFORMATION TECHNOLOGY Co., Ltd is a professional global IT infrastructure supplier and technology solutions provider specializing in enterprise networking, data center infrastructure, AI computing systems, unified communications, and smart office solutions.
With years of experience in the ICT industry, we serve a wide range of customers including government organizations, enterprises, educational institutions, healthcare providers, system integrators, engineering contractors, cloud service companies, and data center operators. Our mission is to help organizations build secure, efficient, scalable, and future-ready digital infrastructures through high-quality products, professional services, and complete technology solutions.
Enterprise Networking Solutions
Enterprise routers and core switches
Managed and unmanaged Ethernet switches
Industrial switches
Wireless access points (WiFi solutions)
WLAN controllers
Firewalls and network security devices
Optical transceivers and network accessories
Structured cabling solutions
Our networking solutions support various applications such as enterprise office networks, industrial networks, campus networks, government projects, smart buildings, and multi-site branch connectivity.
Servers, Storage & AI Computing Infrastructure
Enterprise servers
Storage systems and disk arrays
Backup solutions
Hyper-converged infrastructure (HCI)
AI training servers
AI inference servers
GPU computing platforms
Data center solutions
We support AI companies, cloud service providers, research institutions, IDC operators, and enterprises requiring high-performance computing, large-scale data processing, and reliable IT infrastructure.
Video Conferencing & Unified Communication Solutions
Video conferencing systems
Conference cameras
Speakerphones and microphones
Professional audio systems
Recording solutions
Remote collaboration platforms
Our solutions enable efficient communication for corporate meetings, hybrid workplaces, online training, government conferences, and global business collaboration.
Smart Office & Interactive Display Solutions
Interactive flat panels
Smart whiteboards
Digital signage displays
Educational interactive displays
Meeting room collaboration systems
These solutions are widely used in enterprises, schools, training centers, exhibition halls, government facilities, and modern smart offices.
Trusted Global IT Hardware Partner
YIBOTE works with many internationally recognized technology brands and provides customers with reliable sourcing channels, competitive pricing, and professional technical support.
Our advantages include:
One-Stop IT Procurement
From networking equipment and servers to AI computing, communication systems, and smart office products, customers can complete their IT procurement through one trusted supplier.
Reliable Supply Chain & Genuine Products
Based in Shenzhen, we maintain strong relationships with professional supply channels and provide brand-new, authentic products with quality assurance and warranty support.
Professional Technical Support
Our experienced team provides product consultation, solution design, equipment selection, network planning, system deployment, and after-sales service.
Flexible Cooperation Models
We support project procurement, wholesale supply, system integration partnerships, channel distribution, and customized IT solutions for different business requirements.
Industries We Serve
Our solutions are widely applied in:
Government and public sector projects
Enterprise IT infrastructure upgrades
Manufacturing and industrial networks
Schools and universities
Healthcare information systems
AI computing and data centers
Cloud computing environments
Industrial parks and smart building
YIBOTE-Connecting Technology, Empowering Business, Building the Digital Future.
About Our Factory & Business Background
-
Business Type
- Trading Company
- Address
- B617, Bantian International Center, Bantian Street, Longgang District, Shenzhen, Guangdong, China
-
Plant Area
- 300 square meters
-
Number of Employees
- 6
-
Registered Capital
- 5,000,000 RMB
-
Terms of Payment
- T/T, D/P, LC, PayPal, Western Union, Small-amount payment
-
International Commercial Terms(Incoterms)
- FOB, CIF, CFR, EXW
-
Average Lead Time
-
Peak Season Lead Time: 1-3 months
Off Season Lead Time: within 15 workdays -
Nearest Port
- Shenzhen Port; Hong Kong Port; Guangzhou Port
-
Minimum Order Quantity
- 1 PCS
-
Supply Chain Partners
- 25
Our Production Capability & Technical Expertise
-
Main Products
- IT Networking Equipment, Optical Fiber Communication, Network Router, Network Switch, Wireless Access Point, VOIP Phone, Smart Meeting Tablet
-
QA/QC inspectors
- 1 people
-
Inspection Type for Finished Products
- Random inspection(Visual inspection & Function inspection)
-
Inspection Method for Finished Products
- Finished product checked by packing staff
-
Customization Options
- Customization from Samples, Customization from Designs, Full Customization, Minor Customization, Flexible customization
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
-
R&D Engineers
- 1 people
-
Own Brand
- Yes
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2017-05-22
-
Export Year
- 8 years
-
Main Markets
- North America, Europe, Southeast Asia/ Mideast, Africa, East Asia(Japan/ South Korea)
-
Repeat Buyers Choice
- 80%~100%
-
Number of Foreign Trading Staff
- 2
-
Overseas Agent/Branch
- No
-
New Products Launched in Last year
- No
FAQ
- What is the Yealink SIP T31G
- The Yealink SIP T31G is a Gigabit business IP phone with two SIP accounts, HD voice and a 2.3 inch LCD display. It is designed for reliable office communication.
- How many SIP accounts does the SIP T31G support
- The SIP T31G supports up to two SIP accounts and provides two line keys for managing business calls efficiently.
- Does the SIP T31G support PoE
- Yes. The SIP T31G supports IEEE 802.3af Power over Ethernet, which allows the phone to receive power and network connectivity through an Ethernet cable.
- Does the SIP T31G support conference calls
- Yes. The SIP T31G supports local five way conferencing, making it suitable for business meetings and group communication.
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