Press Release

Genband Leverages RadiSys ATCA Solutions To Reduce Time-To-Market For The S-Series Session And Security Platforms

RadiSys Promentum product line meets the critical performance and time-to-market needs associated with carrier-class security and gateway products

HILLSBORO, OR — December 17, 2009 — RadiSys® Corporation (NASDAQ: RSYS), a leading global provider of advanced embedded solutions, today announced that GENBAND, a market–leading developer of next–generation IP infrastructure solutions, will incorporate RadiSys components into its next–generation of carrier–class security, session and border control products. By utilizing RadiSys' high–performance building blocks, including the Promentum® ATCA–2210 and AMC–7212, GENBAND is able to focus on application development, thereby advancing product delivery and revenue generation.

"We selected RadiSys' industry–leading ATCA building blocks to help us meet our aggressive time–to–market goals as they offer the perfect blend of performance and flexibility," said Keith Landau, Chief Product Officer at GENBAND. "RadiSys' in–depth knowledge of ATCA, breadth of ecosystem partnerships and proven track record make them the right partner as we deploy our S–Series S9 platform for GENBAND's fixed and mobile solutions."

The GENBAND S–Series product line addresses security and border control requirements across a wide spectrum of applications including Femtocells, WiFi and VoIP. GENBAND's S–Series represents the market's most scalable platforms, reaching up to 1.2 million IPSec tunnels at 3,000 tunnels per second set–up rate and 108,000 concurrent SBC sessions. By deploying RadiSys' high–performance ATCA switching and packet processing technology, GENBAND is able to take advantage of industry–proven solutions that provide scalability, high availability and ease of use, along with cutting–edge performance.

"GENBAND's advanced Security Gateway and SBC solutions are deployed in fixed and mobile networks around the globe, and we are pleased to collaborate with them as they deliver new security solutions to the industry," said Venkataraman Prasannan, Senior Director of Product Line Management, RadiSys. "At RadiSys, we offer our customers one of the broadest portfolios of ATCA building blocks and integrated platform solutions in the industry, delivering critical performance and scalability, while reducing risk, cost and time–to–market."

About Radisys

RadiSys (NASDAQ: RSYS) is a leading provider of application-ready software and hardware platforms for use in the communications, multi-media, defense and medical markets. RadiSys’ innovative and market leading technologies help equipment manufacturers and network operators bring the most advanced products and services to market faster and more economically. For more information, visit http://www.radisys.com, write to info@radisys.com, or call 800-950-0044 or 503-615-1100. Editors seeking more information may contact Lyn Pangares at RadiSys Corporation at 503-615-1220 or lyn.pangares@radisys.com.