Skype is offering UK customers free calls this August from Skype to any landline or mobile phone in the world.
Skype is offering up to 100 free minutes of SkypeOut to all its UK registered users in August.  Users can redeem 20 minutes every Thursday this month to talk to anyone, anytime, anywhere in the world at no charge.

To take advantage of the offer, users music visit Skype's UK website, click on the 'Get 20 Free Minutes Now' banner and follow the instructions.

Once the promotion has been successfully redeemed, it appears in a user's Skype Credit balance.