Automatic payment (ATU) is a feature provided when you purchase credits for your convenience.
If you would like to opt out of Skype Credit Automatic Payment (ATU), please follow the steps below.
1. Daesung Skype web page (English) Log in after login
2. Click "My Account" on the top right of the Skype.com web page
3. On the web page, click the automatic payment (off) in the personal payment history to complete the cancellation.
To turn on automatic billing again, press (ON) to activate.