Sonus Unveils Modules

WESTFORD, Mass. -- Sonus Networks, Inc.(NASDAQ:SONS), a leading supplier of service provider IP-voice infrastructure solutions, today unveiled new hardware modules for the GSX9000(TM) Open Services Switch. Capable of delivering high levels of throughput and compression in a single module, the new suite of Circuit Network Server (CNS) modules are designed to ease the transition to next-generation networks while significantly improving the operating efficiency of today's most widely-deployed IP-based networks. Building upon a decade of IP-voice innovation, Sonus is providing operators with an effective solution for extending the benefits of IP-voice throughout the network, while delivering the services that voice subscribers expect today and the agility to address future requirements.

"Sonus' leadership in the market is due to our ability to anticipate our customers' needs and deliver sophisticated solutions that address their most demanding business challenges. As the world's largest network operators look to extend the benefits and efficiencies of their IP networks by accelerating the migration of traffic onto their IP core, the demand for higher density solutions continues to increase," said Vikram Saksena, Chief Technology Officer, Sonus Networks. "It is important for Sonus to extend operators' investments, reach new scalability thresholds and provide cost-effective, non-disruptive upgrades for deployed networks. Sonus has once again surpassed these objectives with its customer-centric commitment to innovation and its new CNS modules."

Sonus remains fully committed to protecting the investment leading operators around the globe have already made in the GSX platform and the latest CNS module is just one example of how Sonus enables operators to keep pace with escalating business requirements, while controlling costs. The new suite of CNS modules is fully interoperable with Sonus' flagship GSX9000(TM) platform offering scalability, reliability and security, while continuing to provide superior investment protection. The new CNS modules leverage the widely deployed Sonus Insight(TM) Management operating system that offers operators the ability to seamlessly update their entire platform without service interruption.

Sonus Networks Inc. (Nasdaq: SONS)