ADTRAN is a network access company.  Our solutions are extensively deployed in the first/last mile of the access network, where millions of people transact each day.  Every major service provider in the U.S. , and many international ones, as well as thousands of enterprise and government organizations worldwide use ADTRAN solutions to enable voice, data, video, or Internet communications.

Our Enterprise Networks Division supplies businesses, schools, government agencies, and other organizations with the internetworking equipment they need to create sophisticated local and wide area networks. 

• Voice over IP
• Fast Ethernet/PoE Switches
• Gigabit Ethernet Switches
• Integrated Switch-Routers
• T1/Multi-T1/Dual DS3 Access Routers
• VPN/Firewall Devices
• Integrated Access Devices
• Fixed Wireless Radios
• Fiber Optic Connectivity
• T3/T1/E1 DSU/CSUs
• T3/T1/E1 Multiplexers

ADTRAN holds number one U.S. market share positions in the most widely deployed connectivity technologies including integrated access devices, T1 DSU/CSUs, and subrate DSU/CSUs.