Asterisk Card Payment IVR Service

We Require a Credit Card Payment IVR Service Integrated using Voice XML with CreditCall. Step 1. Customer calls in Step 2. Customer prompted " thanks for calling to pay your bill, please enter your account number" (must be 6 digits) Step 3. Customer prompted "Please enter your credit card number followed by hash" Step 4. Customer prompted "Please enter your expiry date followed by hash" Step 5. Customer prompted" PLease enter the amount you would like to pay followed by Hash" Step 6. Thank you, you have requested to pay $% on credit card number xx% with and expiry of mmyy%, if this is correct press 1, if incorrect press 2. If one send request via XML webservice to Utilities platform with API to be provided to successful candidate. Response returned will be positive with receipt number or failed.. If success reply to customer. "Thank you payment successful, your receipt number is %Receiptnumber%. To repeat press 1 or hang up" If unsuccesful reply back saying sorry transaction failed, and reason code. Plan to plug into a bicom (asterisk based system) or Asterisk@home if easier.