# YEALINK T3 SERIES – 4-Line / Colour Display / Gigabit Ethernet – Entry-Level IP Phone – 3CX

## **Crystal-clear calls, productivity, professional communication**

### The **YEALINK T3 SERIES** is a feature-rich 4-line IP phone with a 2.4” colour display, ideal for entry-level office use and certified for 3CX platforms.

#### 📞 Call Handling

-   **Lines / SIP Accounts**: 4 lines supporting 4 SIP accounts for efficient call management
-   **Concurrent Calls**: Supports multiple simultaneous calls for smooth communication
-   **Call Features**: Hold, transfer, conference, BLF keys, and programmable buttons enhance user control
-   **Directory**: Local directory with capacity for 1000 entries ensuring quick contact access

#### 🖥️ Display & Interface

-   **Display**: 2.4” 320 x 240-pixel colour display with backlight for clear visuals
-   **Backlit Keys**: Backlit keypad and function keys for operation in varied lighting
-   **Expansion Modules**: Supports sidecar/DSS modules to expand line capacity as needed

#### 🎙️ Audio Quality

-   **HD Voice**: Superior HD audio with wideband codec support for crystal-clear sound
-   **Speakerphone**: Full-duplex speakerphone delivering clear, hands-free conversations
-   **Headset Port**: RJ9 headset port compatible with wired and EHS wireless headsets
-   **Noise Cancellation**: Smart Noise Filtering Technology minimizes background noise

#### 🔌 Connectivity & Power

-   **Network**: Dual-port Gigabit Ethernet with PC passthrough for network flexibility
-   **Power**: PoE (802.3af/at) support or external power adapter for versatile installation
-   **Wi-Fi / Bluetooth**: Not applicable for this model
-   **USB**: No USB port available

#### ⚙️ Platform & Protocols

-   **Platform Certification**: Certified for 3CX ensuring seamless UC integration
-   **Supported Protocols**: SIP, SRTP, TLS, HTTPS provisioning for secure communications
-   **Provisioning**: Zero-touch provisioning simplifies deployment and management

#### 📦 What's in the Box

-   IP phone handset
-   Base unit
-   Handset cord
-   Ethernet cable
-   Stand
-   Power adapter (optional – PoE may be sufficient)
-   Quick setup guide

#### 🛡️ Warranty

Backed by a **1-year limited warranty**.

_Elevate business communication with crystal-clear voice quality and intuitive call management._

## Details

- **Price:** 140.99 AUD
- **Vendor:** Yealink
- **Type:** Smartphones
- **Tags:** Auscomp, Bluechip, Dicker, IP Phones, Leader

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 140.99 AUD | In stock |

## Images

- YEALINK 2.4” 320 x 240-pixel color display with backlight | 4 VoIP accounts | Dual-port Gigabit Ethernet | 1000 entries | Grey (SIP-T33G)

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> Source: [TechForGood](https://techforgood.com.au/products/yealink-sip-t33g-ip-phone-grey-4-lines-led-sip-t33g)
> Updated: 2026-10-02