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Press Release -- April 24th, 2012

GENBAND S3 Session Border Controller Recognized by Miercom for “Unmatched” Scalability Performance and Resiliency Benchmarks in Access and Peering Networks

Madrid, April 24, 2012GENBAND, a leading developer of IP infrastructure and application solutions, today announced completion of one of the most intensive performance and security validation tests performed against its S3™ Session Border Controller by Miercom, an independent lab testing facility specializing in networking and communications product testing.

“GENBAND has earned the Performance Verified status for S3 on GENiUS and S3 Rack Mount Server,” said Rob Smithers, CEO of Miercom. “We were extremely impressed with the capacity and resiliency of the S3 SBC, and verified that it provides unmatched scalability in the market. With regard to the total number of subscriber registrations supported (600,000), the maximum number of simultaneous SIP calls (300,000) and call processing rates (~ 2000 calls per second) that the S3 demonstrated, this was highest scalability testing we have performed on any SBC product. The S3 also demonstrated outstanding CPU and memory utilization throughout all tests. We observed that these resources were rarely stressed and never maximized.”

During the test, the S3 SBC demonstrated industry leading call processing performance of nearly 2,000 calls per second and processed 78 million SIP calls with a 99.998 percent success rate – while undergoing a continuous DoS attack – all without degrading call quality and reliability. For access deployment scenarios, the S3 demonstrated quick recovery from network outages or blackouts by registering 600,000 subscribers in less than 22 minutes.

“Receiving Performance Verified validation from such a rigorous and well regarded third party as Miercom is significant as it confirms our claims to provide the highest scalable SBC solution in the industry,” said B.G. Kumar, President of GENBAND’s Multimedia Business Unit. “These tests assure that the S3’s high performance, density, throughput and reliability provide a proven platform that satisfies these critical needs for fixed and wireless carriers for NGN, IMS and VoLTE deployments.”

Miercom subjected the S3 to extremely strenuous conditions to simulate real world attack situations and traffic spikes. The testing proves that the S3’s robust security framework protects IP network borders by defeating a wide variety of attacks such as Codenomicon SIP Torture, Ping of Death, PROTOS scan, Invite flood attacks, Response flood attacks, registration flood attacks and Rogue RTP attacks while allowing legitimate traffic to pass through and maintaining high performance and quality.

“These Miercom results provide validation that the GENBAND S3 lives up to its billing in terms of performance and resiliency, even under adverse conditions and attacks in both access and IP interconnect deployments,” said Diane Myers, directing analyst, Infonetics Research. “Network border security is increasingly a vital and strategic area of expertise as operators embrace and deploy IP. Scalability and resiliency is a powerful strength for GENBAND as the demand from large scale operators and networks continues to grow.”

The GENBAND S3 is a new generation of Session Border Controller – the Intelligent SBC – that delivers adaptive security, insightful policy enforcement, any-to-any interworking and advanced session routing for IP Interconnect, IPX, Hosted Unified Communications, SIP Business Trunking, Access deployments, VoLTE and the Rich Communications Suite across NGN and IMS networks. The S3’s intelligent security framework incorporates a pluggable dynamic policy model that establishes a policy binding for each application and device. Sessions are monitored and analyzed in real time and corrective actions are taken dynamically.

The GENBAND S3 is the only leading SBC in the marketplace that takes advantage of commercial off-the-shelf hardware (COTS). This ensures that GENBAND can rapidly adopt new computing and networking technologies, providing a price/performance ratio that leads the industry. Combining the benefits of COTS hardware, a software centric architecture, and deployment flexibility, the GENBAND S3 addresses a wide range of performance needs critical to carriers and wireless operators, of all sizes. The S3 is available as a best-of-breed carrier-grade, standalone SBC on a rack mount server or as part of the integrated, award winning ATCA-based GENBAND IP Unified Services (GENiUS) Platform. The S3 leverages common software across all versions of target hardware options giving carriers deployment flexibility and the ability to seamlessly grow their networks as needed.

The test report can be downloaded at

About Miercom
Miercom has hundreds of product-comparison analyses published over the years in leading network trade periodicals including Network World, Business Communications Review, Tech Web – NoJitter, Communications News, Internet Telephony and other leading publications. Miercom’s reputation as the leading, independent product test center is unquestioned.

Miercom’s private test services include competitive product analyses, as well as individual product evaluations. Miercom features comprehensive certification and test programs including: Certified Interoperable, Certified Reliable, Certified Secure and Certified Green. Products may also be evaluated under the NetWORKS As Advertised program, the industry’s most thorough and trusted assessment for product usability and performance. Additional information on Miercom can be found at

GENBAND is a global leader of IP infrastructure solutions, enabling enterprise, service and content providers around the world to evolve communications networks through IP innovation. The Company offers market-leading Switching, Applications, Networking and Service solutions, with products deployed in over 600 customer networks spanning more than 80 countries. GENBAND is headquartered in Frisco, Texas, and has vast resources in R&D, sales and support spanning more than 50 countries. To learn more, visit us on the web at

GENBAND, the GENBAND logo and icon are trademarks of GENBAND.

Kim Lee

Cynthia Hughes

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