LAS VEGAS, NV--(Marketwire - April 7, 2011) - Shift4 Corporation, the world's leading independent provider of payment gateway services, announced today the integration of the Microsoft Dynamics® Retail Management System (RMS) with their DOLLARS ON THE NET® payment gateway. With this new integration, Microsoft Dynamics RMS users are able to capitalize on Shift4's feature-rich product offering and around-the-clock customer support for just pennies per transaction.