<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><br><div><div>On 8 Apr 2011, at 17:58, Mark Lomas wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><br><br><div class="gmail_quote">On 8 April 2011 13:10, Ian Batten <span dir="ltr"><<a href="mailto:igb@batten.eu.org">igb@batten.eu.org</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;"> <div class="im">><br> > If there is a mobile provider I can choose which does not charge a<br> > premium for 0800 calls, I am not aware of it.<br> <br> </div>Orange used to, but stopped it because of abuse via calling cards.<br></blockquote><div><br></div><div>Why do you think that calling cards might be an abuse?</div></div></blockquote><div><br></div><div>Because they lost revenue on international calls, for which they charged a premium. Try taking your own booze to a restaurant that has a flashy winelist and see how far (in general) you get. </div><blockquote type="cite"><div class="gmail_quote"><div><font class="Apple-style-span" color="#000000"><br></font></div><div>If you use a calling card then the service provider is reimbursed at whatever rate they have negotiated for interchange fees, which strikes me as a good market solution to abuse by the service provider. </div></div></blockquote><br></div><div>Except for the loss of revenue for tunnelled calls. </div><div><br></div><div>ian</div><div><br></div><div><br></div><div><br></div></body></html>