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Alcatel Shanghai Bell Selects TranSwitch's EtherMap-3 for the 1642 Edge Multiplexer Platform.

SHELTON, Conn. -- Alcatel Shanghai Bell and TranSwitch enable Value Added Services (VAS) by optimizing the Transport infrastructure

TranSwitch(R) Corporation (NASDAQ: TXCC), a leading provider of high-speed Broadband, Switching, and Transport semiconductor solutions for voice, data and video communications, today announced that Alcatel Shanghai Bell has selected TranSwitch's EtherMap(R)-3 mapper for the Alcatel 1642 Edge Multiplexer. The EtherMap-3 is a highly integrated device for mapping 10/100/1000 Mbit/s Ethernet-over-SONET/SDH STS-3/STM-1 (EoS) Transport payloads. The Alcatel 1642 Edge Multiplexer, part of the Alcatel Optical Multi-Service Node (OMSN) family, is an economical, as well as space-saving multi-service system for customer premise and metropolitan access network applications. The EtherMap-3 is the enabler for the 1642 Edge Multiplexer, which is addressing the rapidly growing, next-generation Ethernet services transported across the MAN/WAN.

The EtherMap-3 incorporates several encapsulation protocols - GFP (Generic Framing Procedure), LAPS (Link Access Procedure for SDH), PPP (Point-to-Point Protocol) and LAPF (Link Access Procedure for Frame Relay) - along with VCAT (Virtual Concatenation) and LCAS (Link Capacity Adjustment Scheme).

"TranSwitch's EtherMap-3 with GFP, VCAT and LCAS functionalities will enable Service Providers with protocol flexibility, bandwidth efficiency and enhanced protection capabilities," said Gong Ping, R&D director of the Optical Network Division at Alcatel Shanghai Bell. "The EtherMap-3 mapper has allowed us to add new functionalities to our 1642 Edge Multiplexer platform, but more importantly, it provides our customers with new Ethernet based revenue-generating Value Added Services (VAS) over the existing SDH infrastructure."

The Alcatel 1642 Edge Multiplexer is a cost-effective STM-1 multi-service node for optical metro access and customer premise applications with numerous service interfaces, including all standard PDH and SDH interfaces from 2 Mbps to 155 Mbps, as well as Ethernet and Fast Ethernet. The Alcatel 1642 Edge Multiplexer is based on 2 x STM-1 line interfaces, 6 x 6 full non-blocking Low-Order SDH matrix, clock reference and equipment control functions, all concentrated in a one-slot wide compact ADM card. The SDH cross-connect matrix provides full connectivity at VC12 and VC3 for any possible configuration. The 1642 Edge Multiplexer has a symmetrical architecture, allowing its application as a Terminal Multiplexer, Add-Drop or mini Cross-Connect in spur, multiple rings or meshed topologies.

"Ethernet transport with data-aware features integrated with the survivability of the SDH transport gives Service Providers a future-proof platform," said Dr. Hoshang Mulla, vice president of marketing at TranSwitch. "TranSwitch's feature rich EtherMap-3 mapper also provides the 1642 Edge Multiplexer platform with LCAS processing to provide hitless and dynamic bandwidth adjustments."

EtherMap-3 is the leading merchant STS-3/STM-1 product for Ethernet-over-SONET/SDH applications in the market. Introduced in 2002, the mapper has been designed into numerous Ethernet transport platforms by top tier communications OEMs worldwide. TranSwitch collaborated closely with Alcatel Shanghai Bell during early development of the EtherMap-3 to ensure its compatibility with the 1642 Edge Multiplexer platform, providing design and testing expertise and applications support in production. TranSwitch is a preferred supplier to Alcatel Shanghai Bell, which is evaluating additional TranSwitch EoS devices for its future platforms.

About Alcatel Shanghai Bell

Alcatel Shanghai Bell is the first foreign-invested company limited by shares in the telecommunications sector in China, with Alcatel holding 50%+1 shares and Chinese shareholders holding the remainder. The multi-billion dollar telecom technology leader delivers end-to-end telecommunications solutions and high-quality services, covering the fixed, mobile networking, broadband access, intelligent optical networking, multimedia solutions and network applications. It also has a key international R&D center with full access to Alcatel's global technology pool, developing original technology for use in China and export to Alcatel's customers worldwide. With 6,500 employees, an advanced manufacturing center, and the most extensive sales and support network in China, it is the only company capable of meeting the global needs of Chinese customers. For more information, visit Alcatel Shanghai Bell on the Internet at http://www.alcatel-sbell.com.cn.

About TranSwitch

TranSwitch Corporation designs, develops and markets innovative semiconductors that provide core functionality and complete solutions for voice, data and video communications network equipment. As a leading supplier to telecom, datacom, cable television and wireless markets, TranSwitch customers include the major OEMs that serve the worldwide public network, the Internet, and corporate Wide Area Networks (WANs). TranSwitch chips for Broadband, Transport and Switching are inherently flexible, many incorporating embedded programmable microcontrollers to rapidly meet customers' new requirements or evolving network standards by modifying a function via software instruction. TranSwitch implements global communications standards in its VLSI solutions and is committed to providing high-quality products and services. TranSwitch, Shelton, CT, is an ISO 9001:2000 registered company. For more information, visit www.transwitch.com.

Forward-looking statements in this release, including statements regarding management's expectations for future financial results and the markets for TranSwitch's products, are made pursuant to the safe harbor provisions of the Private Securities Litigation Reform Act of 1995. Investors are cautioned that these forward-looking statements regarding TranSwitch, its operations and its financial results involve risks and uncertainties, including without limitation risks of downturns in economic conditions generally and in the telecommunications and data communications markets and the semiconductor industry specifically; risks in product development and market acceptance of and demand for TranSwitch's products and products developed by TranSwitch's customers; risks relating to TranSwitch's indebtedness; risks of failing to attract and retain key managerial and technical personnel; risks associated with foreign sales and high customer concentration; risks associated with competition and competitive pricing pressures; risks associated with investing in new businesses; risks of dependence on third-party VLSI fabrication facilities; risks related to intellectual property rights and litigation; risks in technology development and commercialization; and other risks detailed in TranSwitch's filings with the Securities and Exchange Commission.

TranSwitch and EtherMap are registered trademarks of TranSwitch Corporation.
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Publication:Business Wire
Geographic Code:1USA
Date:Dec 13, 2004
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