ADTRAN, Inc. is one of the world's most successful telecom equipment suppliers, with a 18-year history of profitability and a portfolio of more than 1,000 solutions for use in the last mile of today's telecommunications networks.

With over three million ADTRAN-based local loops operating worldwide, ADTRAN has become a leading supplier of local loop access and deployment products for fiber, DS3, T1/E1, wireless T1/E1, Digital Subscriber Line (HDSL, HDSL2, HDSL4, SDSL, SHDSL), Frame Relay, ATM, ISDN, and DDS digital services. ADTRAN supplies more than 500 products across these major digital telecommunications technologies, including multiservice access platforms and Integrated Access Devices (IADs) for today's converged voice and data networks.