The Internet telephone is supported by Callserve, the leading European Internet telephone company. Your Internet telephone has its own built-in help and online FAQ's and should answer any question. But just in case you still have a question, support is also available 7 days a week. If for whatever reason you are not satisfied with the service you receive, simply write in and you can cancel your subscription.   We promise to refund promptly any unused credit balance. So you've really nothing to loose except those steep phone bills.