If you are experiencing noise during a call, please try each of the following remedies.
Use a USB-connected headset of the recommended type.
Earphone microphones have a tendency to pick up ambient sound.
Using the recommended type of USB headset
Earphone microphones tend to pick up ambient sound more easily, so we recommend using a headset with a USB connection. We recommend a noise-canceling USB headset (from Logitech) in the $2,000 - $3,000 range.
We also recommend using a headset with a USB connection.
Make sure you are not using your computer's built-in mic.
Please check if the audio input device is set correctly in your computer settings.