Lingo N21 – Mic Not Working?

If the microphone on your Lingo N21 isn’t working, check the following based on how you’re using it.

Using a Computer?

Step 1: Check System Sound Settings

Make sure both input and output are set correctly.

1. Open PC Settings → Sound

2. Set Output to Avantalk Lingo N21

3. Set Input to Avantalk Lingo N21

Tip:
If both “Hands-Free” and “Stereo” appear, select Hands-Free.

Step 2: Check Meeting or Calling App Settings

If you’re using apps such as Teams, Zoom, Discord, or other meeting apps:

• Set Speaker to Avantalk Lingo N21

• Set Microphone to Avantalk Lingo N21

App audio settings may override system settings.

For detailed setup instructions in specific apps, please refer to:

👉 FAQ: How to Set Up Avantree Device in Meeting & Calling Apps

Using a Phone?

When making or receiving a call:

• On the call screen, make sure the audio device is set to Lingo N21

• If another device (phone speaker, handset, or earbuds) is selected, the mic on Lingo N21 will not be used

Still Not Working?

• Restart the device or app you’re using

• Reconnect the Lingo N21

• Make sure it’s not connected to another device at the same time