Well if you are fool enough to call 1471/1571 for free and then do a Call Return from them that they offer you and warn you of the charge, instead of ringing off and dialing the # yourself, you've only got yourself to blame. It was your choice to spend the 20ps.
1999: Freeserve 48K Dial-Up => 2005: Wanadoo 1 Meg BB => 2007: Orange 2 Meg BB => 2008: Orange 8 Meg LLU => 2010: Orange 16 Meg LLU => 2011: Orange 20 Meg WBC