From MiiTel Phone's audio settings, you can check which devices are being used for the microphone and speakers. Also, you can enable or disable the settings for eliminating noise and echoes.

How to check the audio settings

1. Open MiiTel Phone.
2. Click Menu  > Settings > Audio.
3. You can check your audio device that is currently being set on your computer.

How to test your speaker

1. Open MiiTel Phone.
2. Click Menu  > Settings > Audio.
3. Click Test, and check if you hear any music.
4. After you speak from your mic, check if there is any movement on the  icon. 

How to test your microphone

1. Open MiiTel Phone.
2. Click Menu  > Settings > Audio.
3. After you speak from your mic, check if there is any movement on the   icon.