Crystal-clear calls, productivity, professional communication
The YEALINK SIP-T31G is a 2-line entry-level IP phone featuring a 2.3" monochrome display designed for SMB and enterprise users seeking seamless integration with the 3CX platform.
📞 Call Handling
- Lines / SIP Accounts: Supports 2 lines and 2 SIP account registrations
- Concurrent Calls: Handles multiple simultaneous calls efficiently
- Call Features: Includes hold, transfer, local 5-way conferencing, BLF keys, and programmable buttons
- Directory: Supports local phonebook with LDAP and corporate directory integration
🖥️ Display & Interface
- Display: 2.3" 132x64 pixel monochrome LCD with backlight
- Backlit Keys: Backlit keypad and function keys for ease of use in any environment
- Expansion Modules: Supports Yealink DSS/Sidecar modules for enhanced usability (optional)
🎙️ Audio Quality
- HD Voice: Wideband audio support for crystal-clear voice quality
- Speakerphone: Full-duplex speakerphone for hands-free communication
- Headset Port: Dual RJ9 ports supporting wired headsets and EHS wireless headset compatibility
- Noise Cancellation: Embedded smart noise filtering technology for distraction-free calls
🔌 Connectivity & Power
- Network: Dual Gigabit Ethernet ports (10/100/1000 Mbps) with PC passthrough
- Power: PoE (802.3af) powered or external power adapter option
- Wi-Fi / Bluetooth: Not applicable
- USB: No USB port available
⚙️ Platform & Protocols
- Platform Certification: Certified for 3CX platform
- Supported Protocols: SIP, SRTP, TLS encryption, HTTPS provisioning
- Provisioning: Zero-touch provisioning and auto-configuration for streamlined deployment
📦 What's in the Box
- IP phone handset
- Base unit
- Handset cord
- Ethernet cable
- Adjustable multi-angle stand
- Power adapter (optional – PoE may be sufficient)
- Quick setup guide
🛡️ Warranty
Backed by a 1-year limited warranty.
Elevate your business communication with crystal-clear voice quality and intuitive call management.
| Features | |
|---|---|
| SIP registrar server | Yes |
| Wall mountable | No |
| Plug and Play | Yes |
| Mounting | Desk/Wall |
| Handset type | Wired handset |
| Handset | Yes |
| Ethernet cable | Yes |
| Product colour | Grey |
| Design | |
| Product type | IP Phone |
| Wall mountable | No |
| Mounting | Desk/Wall |
| Handset type | Wired handset |
| Product colour | Grey |
| Phone features | |
| SIP registrar server | Yes |
| Lines quantity | 2 lines |
| Speed dialling | Yes |
| Redialing | Yes |
| Phonebook capacity | 1000 entries |
| Number of VoIP accounts | 2 |
| Answering machine | Yes |
| Full duplex | Yes |
| Conference call | Yes |
| Caller ID | Yes |
| Call waiting | Yes |
| Call transfer | Yes |
| Call return | Yes |
| Call hold | Yes |
| Call forwarding | Yes |
| Anonymous call rejection | Yes |
| Anonymous call | Yes |
| Call history | Yes |
| Management features | |
| Plug and Play | Yes |
| Display | |
| Touchscreen | No |
| Display resolution | 132 x 64 pixels |
| Display diagonal | 5.84 cm (2.3") |
| Display | LCD |
| Backlight display | Yes |
| Audio | |
| Voice codecs | G.722, G.729, AGC, G.729A, AJB, PLC, G.711Mu, VAD, G.711a, G.723.1, G.726, iLBC, CNG, OPUS |
| Speakerphone | Yes |
| Microphone mute | Yes |
| Comfort noise generation (CNG) | Yes |
| Packet loss concealment (PLC) | Yes |
| Network | |
| Ethernet LAN interface type | Gigabit Ethernet |
| Ethernet LAN data rates | 10,100,1000 Mbit/s |
| Bluetooth | No |
| Wi-Fi | No |
| Quality of Service (QoS) support | Yes |
| Networking standards | IEEE 802.3af, IEEE 802.1p, IEEE 802.1Q, IEEE 802.1x |
| Ethernet LAN | Yes |
| DHCP client | Yes |
| Technical details | |
| Sustainability compliance | Yes |
| Sustainability certificates | RoHS, REACH |
| Harmonized System (HS) code | 85171800 |
| Ports & interfaces | |
| RJ-9 ports quantity | 2 |
| Ethernet LAN (RJ-45) ports | 2 |
| DC-in jack | Yes |
| Certificates | |
| Sustainability compliance | Yes |
| Sustainability certificates | RoHS, REACH |
| Power | |
| Power over Ethernet (PoE) | Yes |
| Power consumption (typical) | 3 W |
| AC adapter output voltage | 5 V |
| AC adapter output current | 0.6 A |
| AC adapter input voltage | 100 - 240 V |
| Operational conditions | |
| Operating temperature (T-T) | -10 - 50 °C |
| Operating relative humidity (H-H) | 10 - 95% |
| Weight & dimensions | |
| Width | 188 mm |
| Depth | 189 mm |
| Height | 162 mm |
| Package width | 213 mm |
| Package depth | 210 mm |
| Package height | 103 mm |
| Packaging content | |
| Quick start guide | Yes |
| Number of handles included | 1 pc(s) |
| Handset | Yes |
| Ethernet cable | Yes |
| Mounting kit | Yes |
| Logistics data | |
| Harmonized System (HS) code | 85171800 |
YEALINK SIP-T31G – 2-Line / Monochrome Display / PoE, Gigabit Ethernet – Entry-Level IP Phone – 3CX
Yealink | SKU:
SIP-T31G
$11408
RRP
$12800
Unit price
/
Unavailable
$12549
Incl. GST
Shipping calculated at checkout.
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Care information
Care information
- If you discover a fault within 14 days of receiving your item(s), we will help you replace or repair it. Please email us at hello@techforgood.com.au.
- Our warranty policy can be found here.
Delivery and Shipping
Delivery and Shipping
- Orders received before 12pm (AEST) are dispatched same day (Mon-Fri only)
- Orders are only processed Monday-Friday (and not on public holidays).
- You can expect your order to arrive within 3-5 days.
- We do not ship to PO box addresses.
- Our full shipping policy can be found here.
YEALINK SIP-T31G – 2-Line / Monochrome Display / PoE, Gigabit Ether...
$11408
RRP
$12800
Unit price
/
Unavailable
$12549
Incl. GST
