If you’re planning to connect your Yealink phone wirelessly instead of using an Ethernet cable, it’s important to know whether your model:

• ✅ Has built-in Wi-Fi

• ? Requires a USB Wi-Fi dongle

• ❌ Does not support Wi-Fi at all

This guide explains how to quickly determine compatibility.

✅ Models with Built-In Wi-Fi (No Dongle Required)

Yealink models that include Wi-Fi hardware will have a “W” at the end of the model number.

Common Built-In Wi-Fi Desk Phones

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• Yealink T31W

• Yealink T34W

• Yealink T44W

• Yealink T53W/T54W/T57W/T58W/

• Yealink T73W/T74W

• Yealink T85W/T87W

• Yealink VP59

• Cordless: Yealink AX86R and AX83H

If the model ends in “W”, it includes:

• Built-in 2.4GHz and/or 5GHz Wi-Fi

• Built-in Bluetooth (most W models)

Conference Phones with Built-In Wi-Fi

• Yealink CP935W/Yealink CP965

? Models That Require a Wi-Fi Dongle

Phones that do NOT end in “W” typically require a Yealink USB Wi-Fi adapter.

Examples:

• Yealink T44U/Yealink T46U

• Yealink T53 (non-W version)

• Older T4 and T5 series models

Compatible Wi-Fi Dongles:

• Yealink WF40 (2.4GHz)

• Yealink WF50 (Dual-band 2.4GHz / 5GHz)

? The dongle plugs into the USB port on the back of the phone.

Yealink IP phones (plug into a USB port on the phone):

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What you’re seeing

• Yealink WF50 Dual-Band Wi-Fi USB Dongle — connects to 2.4 GHz and 5 GHz networks, supports more modern phones.

• Yealink WF40 Wi-Fi USB Dongle — basic 2.4 GHz USB Wi-Fi adapter for older models.

? These dongles are plug-and-play — just insert them into the USB port on a supported Yealink phone and enable Wi-Fi from the phone’s menu (ensure the phone firmware supports Wi-Fi dongles). 

❌ Models That Do Not Support Wi-Fi

• Yealink T30

• Yealink T31P/G

• Legacy T2 series

These models must use a wired Ethernet connection.

? How to Tell If Your Phone Has Wi-Fi

Method 1: Check the Model Number

Look at the label on the back of the phone.

• If it ends in “W” → Built-In Wi-Fi

• If it does not → Likely requires a dongle

Method 2: Check the Phone Menu

On the phone screen:

Menu → Basic → Wi-Fi

If you see:

• “Wi-Fi” option available → Wi-Fi supported

• No Wi-Fi option → Not supported without a dongle

Method 3: Look for USB Port - located on the backside of the device. 

If your phone has a USB port and does not have built-in Wi-Fi, it may support the WF40 or WF50 adapter.

⚠️ Important Notes

• Wi-Fi performance depends heavily on signal strength and network stability.

• For best call quality, wired Ethernet is always recommended when possible.

• If using Wi-Fi, ensure:

  • Strong signal (3+ bars)

  • No captive portal (hotel Wi-Fi often blocks VoIP)

  • Firewall allows SIP traffic

Need help? If you are unsure about your model, please provide the exact model number from the back label and we’ll confirm compatibility. Please email support@soundcurve.com for to get immediate assistance.