In an open system, a virtual terminal is an application that allows a particular terminal on a network with many users to interact with other hosts without regard for the type of terminal or its characteristics. This can facilitate remote log-ons or the access to information from another network, among other things.
UniPay Gateway: Open Source Payment Gateway
How to Choose the Best Payment Solution
How to Own a Payment Gateway
What is a Payment Gateway
What is Recurring Billing?
How Payments Work
What Should an Ideal Payment Platform for Investors Look Like?