A MinimumSetCallUpChargeFee(seeof General Notes sub part 4) or, if different for calls made using any Customer Option, that for Calls to Mobile Telephones in any Customer Option, applies to each call.10p (Exc VAT) applies to ISDN64k calls on Base rates, Business Reward, Business Choices and Business Advantage Plus) . ISDN64k calls within other call packages will attract a minimum call charge.