Yealink SIP-T31P - Classic Business IP Phone

by Yealink

KES 6,500 Excl. Tax

Yealink SIP-T31P supports the open SIP communications protocol interoperable with VoIP phone systems and services. The phone supports two SIP lines and has a powerful chip to improve performance designed to last. The Yealink T3 Series of IP Phones feature unified firmware across the series to simplify the deployment, maintenance, and updating of the fleet. Power Yealink SIP-T31P using PoE.

  • Open SIP Protocol Support: This makes the phone compatible with many VoIP systems and services. SIP, or Session Initiation Protocol, is an open standard that enables the device to set up and tear down multimedia communication sessions, including voice, video calls, and messaging over an IP network.
  • Two SIP Lines: This feature allows the Yealink SIP-T31P to handle two different calls or sessions simultaneously, offering increased versatility and efficiency in busy professional settings.
  • Powerful Chip for Enhanced Performance: Equipped with a robust processing chip, the phone delivers high-performance functionality. This enhances the overall user experience, allowing for clear communication, faster call processing, and reduced latency.
  • Unified Firmware: As part of the Yealink T3 Series, the SIP-T31P features a unified firmware across all devices in the series. This simplifies deployment, maintenance, and updates, reducing complexity for IT administrators.
  • Power over Ethernet (PoE): The Yealink SIP-T31P supports PoE, a technology that allows electrical power and network communications to be carried over a single Ethernet cable. This results in easier installation, less clutter, and potential cost savings as no separate power supply is required.


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Yealink SIP-T31P - Classic Business IP Phone

Yealink SIP-T31P is a versatile IP phone that utilizes the open SIP (Session Initiation Protocol) for establishing multimedia sessions including voice and video calls over Internet Protocol (IP). This makes the Yealink SIP-T31P interoperable with various VoIP (Voice over Internet Protocol) systems and services, enhancing its flexibility and versatility in different network environments.

This phone supports two SIP lines, allowing for the management of multiple calls, making it a great asset in fast-paced business settings where efficient communication is paramount. The powerful chip integrated into the phone greatly enhances its performance, providing faster call setup times, crystal clear voice quality, and seamless switching between calls.

One key aspect of the Yealink T3 Series, which includes the SIP-T31P, is the unified firmware across the series. This is especially beneficial for large-scale deployments, as it simplifies the processes of deployment, maintenance, and updates. Instead of dealing with multiple software versions for different models, network administrators can streamline their work with the uniform firmware.

Yealink SIP-T31P can be powered using Power over Ethernet (PoE) technology. PoE allows for electrical power and network communications to be carried over a single Ethernet cable, reducing clutter and increasing convenience in the setup process. This feature adds to the overall usability of the phone, especially in environments where space and organization are crucial.

The Yealink SIP-T31P is a high-performing, convenient, and user-friendly IP phone that can be a valuable addition to any modern office environment, providing effective and efficient communication solutions.


  • Audio Features
    • 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
  • 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
    • Enhanced DSS Key
  • Directory
    • Local phonebook up to 1000 entries
    • Blacklist
    • XML/LDAP remote phonebook
    • Smart dialing
    • Phonebook search/import/export
    • Call history: dialed/received/missed/forwarded
  • IP-PBX Features
    • 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
  • Display and Indicator
    • 2.3” 132×64-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
  • Feature keys
    • 2 line keys with LED
    • 6 features keys: transfer, message, headset, redial, mute, hands-free speakerphone
    • 5 navigation keys
    • Volume control keys
  • Interface
    • Dual-port Gigabit Ethernet
    • Power over Ethernet (IEEE 802.3af), class 2
    • 1 x RJ9 (4P4C) handset port
    • 1 x RJ9 (4P4C) headset port
  • Other Physical Features
    • Color: Classic Grey
    • Wall mountable
    • External Yealink AC adapterAC 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)
  • Management
    • 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
  • Network and Security
    • 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
    • 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
    • ICE
  • Package content
    • Yealink SIP-T31P IP phone
    • Handset with handset cord
    • Ethernet Cable (1.5m CAT5E UTP Cable)
    • Stand
    • Quick Start Guid
    • Power Adapter (Optional)