[July 15, 2002]

Clarent Announces Scalability Enhancements To Its PSTN Access Softswitch

Clarent Corporation announced scalability enhancements to the Clarent PSTN Access Softswitch. Designed to meet the performance and capacity requirements of large carriers, the PSTN Access Softswitch solution is composed of individually scalable components running on high availability Unix-based platforms. By increasing the scalability of selected network elements and allowing seamless interoperability with existing Clarent networks, Clarent enables current and prospective customers to take advantage of this superior architecture to cost-effectively grow their networks.

Newly released network elements include the highly scalable Clarent BHG 1000 media gateway, which is capable of supporting as few as 120 universal voice, fax or data ports per chassis and more than 10,000 ports in a standard seven foot rack. Designed to interoperate seamlessly with installed Clarent networks, the BHG 1000 can be deployed with the Clarent BHG 8000, other Clarent gateways and selected third party gateways.

Clarent's solution has been further tailored to support incremental growth with the release of the Integrated SS7 Signaling (ISS) 1000 and integrated Clarent Announcement Server (CANNS), which can be easily integrated into the softswitch platform. These products provide full functionally while allowing service providers to reduce risk by matching capital expenditures to revenue generation.

"Since 1997 our customers have required that Clarent VoIP solutions address their near-term requirements while maintaining the capability to rapidly evolve with growing networks and changing business models," said Steve Langion, Clarent's Senior Vice President of Engineering. "The PSTN Access Softswitch represents the logical next step in the evolution of Clarent's product line, and increased scalability benefits new and existing customers alike. New customers have the opportunity to deploy a highly flexible, scalable and resilient VoIP offering that leverages Clarent's proven expertise, while current customers can enjoy the advantages of Clarent's Distributed Softswitch Network Architecture while preserving their existing investments."

Service providers worldwide rely on Clarent's proven IP-based solutions, and by the end of 2001 Clarent-based networks were supporting nearly three quarters of a billion revenue-generating international VoIP minutes a month. Clarent's PSTN Access Softswitch, a software-driven Voice over IP (VoIP) solution, enables wholesale transit and termination of voice traffic over global IP networks. This highly flexible softswitch also supports retail pre-paid and post-paid calling card applications and minutes exchange with hundreds of IP networks around the world.

Because Clarent solutions support multiple business models, Clarent customers can increase their overall return on investment. Service providers who have already deployed the PSTN Access Softswitch solution can leverage the common, underlying architecture to offer complimentary services to the enterprise, small office/home office (SoHo), and residential customers using Clarent's Edge Access Softswitch. The Clarent Edge Access Softswitch supports managed services for the enterprise ranging from simple hosted network services for WAN trunking to converged voice and data services utilizing Clarent's NetPerformer EG. The Edge Access Softswitch also presents an access agnostic solution that supports lower density VoIP over broadband for residential and SoHo applications.

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