July 2011

ADTRAN Solves NTS Hurdles

ADTRAN Solves Network Hurdles for NTS Broadband Stimulus Deployment

Total Access 5000 Delivers Unmatched Reliability and Scalability for FTTH Deployment Enabling HD IPTV and Over-the-Top Video Services

HUNTSVILLE, Ala., Jul 21, 2011 (BUSINESS WIRE) — ADTRAN(R), Inc., (NASDAQ:ADTN), a leading provider of next-generation networking solutions, announced today that NTS Communications, a wholly owned subsidiary of Xfone, Inc. (AMEX:XFN) and the largest non-ILEC telecommunications network in West Texas, has selected ADTRAN as its vendor of choice for its Broadband Stimulus Fiber-to-the-Home (FTTH) buildout. Exceptional reliability and unmatched scalability of the Total Access(R) 5000 GPON solution helped resolve a number of network hurdles that NTS faced in deploying high-definition IPTV and Over-the-Top (OTT) video services. This three-year FTTH project is scheduled to reach more than 25,000 subscribers by completion.

“ADTRAN helped to save our business. Our incumbent’s GPON solution proved to be less than reliable and could not handle the simultaneous demands of HD IPTV, OTT video and multi-megabit data services. When we trialed the Total Access 5000 it worked perfectly, eliminating the reliability issues we had been experiencing and providing the scalability we need to meet the critical demands of this project,” said Milton Schober, vice president, Data Services, NTS. “The Total Access 5000 is not only allowing us to meet our current needs for GPON, but it will allow us to grow our services quickly and easily. In fact, we have already added mobile backhaul and plans are already in place to add Active Ethernet in the near future.”

The ADTRAN Total Access 5000’s architecture enables service providers to protect their investment and future-proof their networks. With a multi-terabit backplane, the Total Access 5000 offers unmatched capacity and scalability. Using the industry’s widest range of access and transport modules, it is extremely flexible, allowing service providers to easily launch new services.

“Service providers of all types and sizes are quickly discovering that the Total Access 5000 is the perfect solution to meet their deployment needs,” said P. Steven Locke, vice president of sales, service providers, ADTRAN Carrier Networks Division. “The network is changing at a rapid pace and service providers must not only be able to address the needs of today, but also keep up with the demands of their customers and remain competitive. The Total Access 5000 provides a clear migration path, allowing service providers, like NTS, to reinvent their network continually to meet these changing demands.”

About NTS

NTS Communications, a wholly owned subsidiary of publicly traded Xfone, Inc. (AMEX: XFN), provides integrated voice, data and video solutions. Headquartered in Lubbock, Texas, NTS operates the largest “non-ILEC” telecommunications network in West Texas and has developed a Fiber-to-the-Premises (FTTP) platform enabling the company to provide a voice, video and data “triple play” offering to customers. NTS is dedicated to providing superior customer care and high quality products and services. For more information, visit www.ntscom.com.

About ADTRAN

ADTRAN, Inc. is a leading global provider of networking and communications equipment, with a portfolio of more than 1,700 solutions. ADTRAN’s products enable voice, data, video, and Internet communications across a variety of network infrastructures. ADTRAN solutions are currently in use by service providers, private enterprises, government organizations, and millions of individual users worldwide.

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

Photos/Multimedia Gallery Available: http://www.businesswire.com/cgi-bin/mmg.cgi?eid=6801497&lang=en

SOURCE: ADTRAN, Inc.

ADTRAN, Inc.Tammie Dodson, Public Relations Manager, 256-963-6739, tammie.dodson@adtran.com

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