With millions of small to medium sized enterprises existing today, the requirement for carriers to provide integrated voice and data solutions is growing at a rapid rate. ADTRAN delivers with the Total Access System of Multiservice Access Platforms and Integrated Access Devices. The Total Access 604 is cost-effective, fixed-port, integrated access device designed to support either TDM or ATM. This system offers enterprise users and integrated communications providers, such as CLECs, ILECs, and ISPs, a means to offer combined voice and data traffic over a single network interface terminating at the customer's premises.