DESC: With millions of small- to medium-sized enterprises existing today, the requirement for carriers to provide cost-effective integrated voice and data solutions is growing at a rapid rate. ADTRAN delivers with the industry-leading Total Access Integrated Access Devices (IADs). The Total Access 624 is a cost-effective, fixed-port, IAD. This IAD offers CLECs, ILECs, RBOCs, and ISPs a means to offer combined voice and data traffic over a single network interface terminating at the customer's premises.