ADTRAN Expands NetVanta Router Family with Cost -Effective, Fixed -Port, Broadband Routers

New Devices Target Carrier Service Offerings for Small- and Medium-sized Business (SMB) Customers

ADTRAN Expands NetVanta Router Family with Cost -Effective, Fixed -Port, Broadband Routers


New Devices Target Carrier Service Offerings for Small - and Medium -sized Business (SMB) Customers

HUNTSVILLE, Ala. - -(September 19, 2006) - -ADTRAN®, Inc. (NASDAQ: ADTN), a leading global provider of networking and communications equipment, today announced the introduction of the NetVanta 3100 Series of fixed -port IP access routers. These devices are designed to address the needs of SMBs for secure cost -effective Internet access and corporate connectivity using carrier -supplied broadband services such as DSL or cable.

The NetVanta 3100 Series consists of the NetVanta 3120 and NetVanta 3130. The NetVanta 3120 is a fixed -port Ethernet router with an integral four -port managed Ethernet switch, a single 10/100Base -T Ethernet WAN interface, and an analog modem for dial -backup or remote management. The NetVanta 3130 is a fixed -port ADSL access router with an integral four -port managed Ethernet switch, a single ADSL WAN interface, and an analog modem for dial -backup or remote management. In addition to ADSL and ADSL2, the NetVanta 3130 supports today's most advanced ADSL technology, ADSL2+, for applications with the ability to take advantage of its greater reach and higher bandwidth (up to 25Mbps).

Each of these devices offers a variety of standard features including: standards -based routing/switching protocols; stateful inspection firewall for network security; IPSec VPN for secure corporate connectivity across the Internet; a familiar Command Line Interface (CLI) that eliminates re -training of technical personnel; a user -friendly Web -based Graphical User Interface (GUI); NAT -compatible SIP ALG for VoIP applications; Quality of Service (QoS) for VoIP and other delay -sensitive applications; and an analog dial -backup interface for disaster recovery/mission critical applications or for remote management by the carrier.

"The NetVanta 3100 Series addresses the needs of our carrier customers for cost -effective, business -class routers that offer proven reliability and remote management capability," said Rick Schansman, senior vice president and general manager, ADTRAN Enterprise Networks Division. "SMBs benefit from versatile customer -premises devices that offer flexibility and security with a built -in switch, VPN for data protection, firewall for denial of service attacks, and dial backup for disaster recovery, all provided as a cost -effective, secure DSL/cable bundle from their carrier."

The NetVanta 3120 and 3130 are priced at $595 and $645 respectively, and are currently shipping.

About ADTRAN
ADTRAN, Inc. is a leading global provider of networking and communications equipment, with an 18 -year history of profitability and a portfolio of more than 1,400 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 info@adtran.com. On the Web, visit www.adtran.com.

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Interop Booth #617

Contact:
Tammie Dodson
ADTRAN, Inc.
256.963.6739
press@adtran.com

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