ADTRAN Names Ted Cole New Vice President of Channel Sales for Enterprise Networks Division.

HUNTSVILLE, Ala. -- ADTRAN([R]), Inc. (NASDAQ: ADTN), a leading supplier of networking and communications solutions, announced today that it has named Ted Cole as vice president of channel sales for the company's Enterprise Networks Division. Cole joined ADTRAN just over one year ago as senior director of sales responsible for sales of routers, switches and IP telephony solutions to major service providers. In his new role, Cole will focus on setting strategy and growing ADTRAN's sales to small and medium businesses through carrier, reseller and distribution channels.

"We are pleased to have Ted join our management team," said Rick Schansman, senior vice president and general manager, ADTRAN Enterprise Networks Division. "Ted has already proven to be a great asset to the company. With his track record of success and wealth of experience, we are certain that Ted can help strengthen our channel and grow sales to new heights."

"ADTRAN has been very successful in developing its channels with the focus on growth in the SMB market coupled with innovative, integrated solutions," said Ted Cole, vice president of channel sales, ADTRAN Enterprise Networks Division. "I look forward to building upon this success and establishing strategic partnerships that will allow the Enterprise Networks Division to reach its growth goals."

Ted Cole has more than 20 years experience in sales, product development and management experience. Prior to joining ADTRAN, Cole served as sales director for Cisco Systems, Inc. In this role, he was responsible for developing and implementing a structure to effectively drive and manage the successful strategic alliance with the company's largest resale partner. Cole has held a number of positions including senior vice president of sales for Hypercom Corporation, strategic alliance manager for Tandem Computers and director of product development for Applied Communications, among others.

About ADTRAN

ADTRAN, Inc. is a leading global provider of networking and communications equipment, with a portfolio of more than 1,600 solutions for use in the last mile of today's telecommunications networks. Widely deployed by carriers and enterprises alike, ADTRAN solutions enable voice, data, video, and Internet communications across copper, fiber, and wireless network infrastructures. ADTRAN solutions are currently in use by every major U.S. service provider and many global ones, as well as by thousands of public, private and governmental organizations worldwide.

For more information, contact the company at 800 9ADTRAN (800 923-8726) or via email at [e-mail]. On the Web, visit www.adtran.com.

This press release contains forward-looking statements which reflect management's best judgment based on factors currently known. However, these statements involve risks and uncertainties, including the successful development and market acceptance of new products, the degree of competition in the market for such products, the product and channel mix, component costs, manufacturing efficiencies, and other risks detailed in our annual report on Form 10-K for the year ended December 31, 2005. These risks and uncertainties could cause actual results to differ materially from those in the forward-looking statements included in this press release.