# YEALINK SIP-T31G – 2-Line / Monochrome Display / PoE, Gigabit Ethernet – Entry-Level IP Phone – 3CX

## **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._

## Details

- **Price:** 114.08 AUD
- **Vendor:** Yealink
- **Type:** Smartphones
- **Tags:** Auscomp, Bluechip, Dicker, IP Phones, Leader

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| 1 Year Warranty / https://yealink.com / https://www.yealink.com/en/product-detail/ip-phone-t31g | 114.08 AUD | In stock |

## Images

- YEALINK 2.3" 132x64 LCD | 2x Gigabit Ethernet | 2x RJ9 | 2x VoIP | 2x SIP | PoE (SIP-T31G)

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> Source: [TechForGood](https://techforgood.com.au/products/yealink-sip-t31g-ip-phone-grey-2-lines-lcd-sip-t31g)
> Updated: 2026-10-01