ADTRAN Simplifies Hosted VoIP Applications for SMBs With Introduction of All -In -One Access Gateway

NetVanta Solution Allows Carriers to Expand Service Footprint While Reducing Operational Costs

ADTRAN Simplifies Hosted VoIP Applications for SMBs With Introduction of All -In -One Access Gateway


NetVanta Solution Allows Carriers to Expand Service Footprint While Reducing Operational Costs

HUNTSVILLE, Ala. - -March 19, 2007 - -ADTRAN(R), Inc. (NASDAQ: ADTN), the market -leading supplier of Multiservice Access Gateways, today announced a unique, all -in -one platform designed to simplify Hosted VoIP, Internet access, and business connectivity services for Small and Medium Businesses (SMBs) and distributed enterprises. The NetVanta 1355 delivers converged IP access by combining SIP gateway functionality with advanced routing, Power over Ethernet (PoE) switching, security, Layer 3 Quality of Service (QoS) and survivability features in a single platform. This solution allows carriers to deliver next -generation services and expand their service footprint by providing a unique service offering to address the fast -growing VoIP market.

"Hosted services continue to grow on a global scale, with the largest growth segment being SMBs," said David Lemelin, In -Stat analyst. "ADTRAN's integrated approach to Hosted VoIP gives carriers a compelling solution to penetrate the worldwide SMB market." It provides end -to -end circuit control for guaranteeing QoS and service availability from the network to the desktop IP phones by including a managed switch in the CPE device. "This solution allows SMBs to reap the benefits of VoIP without significant capital outlay or the expense of in -house technical expertise," stated Lemelin.

"Our carrier customers have requested a solution that will allow them to economically accelerate the delivery of Hosted VoIP services to the SMB market without sacrificing reliability, scalability, or functionality," said Tim Saunders, vice president of product management, ADTRAN Enterprise Networks Division. "Our NetVanta 1355 replaces multiple standalone devices to simplify network installation and management. This flexible platform allows carriers to provide competitive, revenue -generating services to retain and attract new customers, while eliminating truck rolls, and lowering overall operational expenses."

The NetVanta 1355 provides dynamic access to carrier IP networks allowing both SMBs and distributed enterprises to benefit from increased telephony feature sets, simplified network administration and cost savings without sacrificing voice quality or service availability. The NetVanta 1355 is powered by the ADTRAN Operating System (AOS) and includes comprehensive data and security networking features, Virtual Private Networking (VPN) and Wide Area Network (WAN) interface options including T1, Multilink T1, E1, DSL, SHDSL or Ethernet. The integrated 24 -port PoE switch provides support for standards -based SIP phones, including ADTRAN co -branded Polycom IP phones. Other features include E911 dialing and VoIP survivability for network connectivity in the event of a network outage or WAN link failure. A robust SIP gateway also provides interoperability with industry -leading softswitches, feature servers, and media gateways. Digital telephony equipment, analog phones, fax machines, and modems are also supported for transitioning networks. A familiar Command Line Interface (CLI) as well as an intuitive Web -based multilingual Graphical User Interface (GUI) provide remote configuration, management, and ease of use. ADTRAN also offers n -Command, a productivity management tool designed to push firmware and manage configuration files remotely.

The NetVanta 1355 has a list price of $3,295 and is currently available for worldwide distribution.

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 info@adtran.com. On the Web, visit www.adtran.com.

CONTACT:
ADTRAN, Inc.
Tammie Dodson
256 -963 -6739
press@adtran.com

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