Step 1:

Launch the PressOne Desktop App from your application list

Step 2:

Log in to your account with your email and password.

Step 3:

Click on the gear/settings icon at the bottom left of the screen

Step 4:

From the pop-up, click on "sound"

Step 5:

Scroll down and locate Incoming audio noise suppression, Outgoing audio Suppression and Echo Cancellation.

Step 6:

Turn them on for a smoother call experience.