Inter-Calls/CallnPay has been established by a group of professionals having combined expertise in the areas of fixed and mobile telephone and call-back systems. Our business concept is to provide the lowest possible long distance prices from mobile phones and/or fixed phone lines as well as with the best obtainable quality. International SMS messages combined with Email to/from your PC is soon to be added to our services.CallnPay has created a soft- and hardware system enabling cheap and high quality international phone calls from ALL mobile GSM/cellular- subscribers and ALL fixed telephones, without changing (mobile) provider.