ADTRAN supplies innovative network access products that enable today's widespread digital telecommunications applications, including Internet access, telecommuting, corporate connectivity, distance learning, video-conferencing, and teleradiology. Used extensively in the networks of incumbent local exchange carriers (U.S. Regional Bell Operating Companies), independent domestic telcos (GTE), competitive local exchange carriers (CLEC), interexchange carriers, Internet service providers, and private and public enterprises worldwide, ADTRAN products consistently reduce operating costs and improve network performance. ADTRAN also provides custom-designed products for many well-known Original Equipment Manufacturers.