# YEALINK SIP-T31P – 2-Line / Monochrome Display / PoE – Entry-Level IP Phone – 3CX

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

### The **YEALINK SIP-T31P** is a 2-line IP phone featuring a monochrome 132x64 pixel display, designed for entry-level use with 3CX platform certification.

#### 📞 Call Handling

-   **Lines / SIP Accounts**: Supports 2 lines and 2 SIP account registrations
-   **Concurrent Calls**: Supports simultaneous calls on multiple lines
-   **Call Features**: Hold, transfer, local 5-way conferencing, BLF keys, programmable buttons
-   **Directory**: Local phonebook with LDAP and corporate directory integration

#### 🖥️ Display & Interface

-   **Display**: 2.3" monochrome graphical LCD, resolution 132x64 pixels
-   **Backlit Keys**: Yes, backlit keypad and function keys for ease of use in various lighting
-   **Expansion Modules**: Supports optional sidecar/DSS modules for enhanced line management

#### 🎙️ Audio Quality

-   **HD Voice**: Wideband audio with superb HD codec support for crystal-clear conversations
-   **Speakerphone**: Full-duplex, high fidelity speakerphone for hands-free operation
-   **Headset Port**: Dual RJ9 headset ports with Electronic Hook Switch (EHS) support
-   **Noise Cancellation**: Integrated Smart Noise Filtering Technology to minimize background noise

#### 🔌 Connectivity & Power

-   **Network**: Dual 10/100 Mbps Fast Ethernet ports with PC passthrough
-   **Power**: Power over Ethernet (PoE) IEEE 802.3af support or optional external PSU
-   **Wi-Fi / Bluetooth**: Not supported on this model
-   **USB**: Not available

#### ⚙️ Platform & Protocols

-   **Platform Certification**: 3CX certified for streamlined integration
-   **Supported Protocols**: SIP, SRTP, TLS, HTTPS provisioning
-   **Provisioning**: Zero-touch provisioning and auto-configuration for IT efficiency

#### 📦 What's in the Box

-   IP phone handset
-   Base unit
-   Handset cord
-   Ethernet cable
-   Adjustable stand
-   Power adapter (optional – PoE preferred)
-   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:** 89.51 AUD
- **Vendor:** Yealink
- **Type:** Smartphones
- **Tags:** Auscomp, Bluechip, Dicker, IP Phones, Leader

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| 1 Year Warranty / https://https://yealink.co.za / https://www.yealink.co.za/products/voice/t3-series/10-100-desktop-ip-phone-excludes-psu/ | 89.51 AUD | In stock |

## Images

- YEALINK 2.3" 132x64 LCD | 2x Fast Ethernet | 2x RJ9 | 2x VoIP | 2x SIP | PoE (SIP-T31P)

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> Source: [TechForGood](https://techforgood.com.au/products/yealink-sip-t31p-ip-phone-grey-lcd-sip-t31p)
> Updated: 2026-10-02