A connection fee applies to all calls to phones and mobiles 
                      made using Skype Credit, 
                      where the call is answered and lasts longer than one second. 
                      The connection fee is charged according to the currency 
                      set in your account.
                    View a list of connection fees
Calls made as part of an unlimited* calling subscription are exempt from the connection fee, and of course, Skype-to-Skype calls are completely free.
                    *A fair usage policy applies to unlimited subscriptions.