Telelogic Tau 4.2 Speeds up Wireless Development

Telelogic Tau 4.2 Speeds up Wireless Development Speed and Performance Optimized When Building 3G Applications MALMÖ, Sweden, April 5, 2001 - Telelogic (Stockholm Stock Exchange:TLOG), a leading global provider of solutions for advanced software and systems development, today announced the availability of the latest release of its leading (according to the Venture Development Corporation 2000 report) real-time software development tool Telelogic Tau 4.2. With its industry-proven 3G support, Telelogic Tau 4.2 has been expanded and optimized to improve application performance for 3G customers. Telelogic Tau 4.2 also introduces a flexible mapping between logical and physical architecture using UML deployment diagrams, which allows software developers to optimize at the architecture level even very late in the design phase. "Telelogic Tau is the core visual software engineering tool of our newly formed best-of-breed development solution, which also includes Telelogic DOORS and Telelogic CM Synergy," said Ingemar Ljungdahl, chief technology officer at Telelogic. "The focus of Telelogic Tau 4.2 is to simplify and speed up the daily work for our customers developing new wireless applications, particularly 3G. A key new feature is support for the special 3G encoding/decoding technique RRC PER. In addition, Telelogic's commitment to delivering open systems is demonstrated in Telelogic Tau 4.2 through a number of integrations with third-party products, for example Rational ClearCase." New Telelogic Tau 4.2 features include: · Telelogic Tau UML Suite and Telelogic Tau Logiscope integration. · Enhanced integration between Telelogic Tau and Telelogic DOORS. · Usability improvements. · Reduced build time and improved performance. · - more - Telelogic Tau 4.2 Speeds up Wireless Development Page 2 of 2 Availability Telelogic Tau 4.2 is available now for Microsoft® Windows 95, Windows 98, Windows NT, Windows 2000, and UNIX workstations. For the nearest location visit About Telelogic Tau Telelogic Tau is a tool portfolio for the development of advanced software, optimized for the real-time and embedded market. Telelogic Tau merges the graphical notation of UML, in the Telelogic Tau UML Suite, the real-time design and development language SDL, in the Telelogic Tau SDL Suite, and the ISO standard test scripting language TTCN, in the Telelogic Tau TTCN Suite. These tools provide a complete integrated software development environment, supporting simulation and testing of real-time and communications applications. Telelogic Tau also offers SCADE, a tool for developing time-triggered, safety-critical systems and Logiscope, a tool that facilitates quality assessments of software written in C, C++, Ada or Java. About Telelogic Telelogic is a leading global supplier of solutions for advanced software and systems development. By providing integrated best-of-breed products and professional services for the end-to-end software development lifecycle, Telelogic enables organizations to improve quality and predictability, while reducing time-to-market and overall costs. Built on an open architecture that ensures interoperability with many top tier technology solutions, Telelogic's products are based on international standardized languages and notations. Telelogic participates in 3GPP, Bluetooth SIG and OMG to monitor and help create future communication technologies and visual software development languages. Named by Forbes Magazine as one of the 300 Best Small Companies in the world, Telelogic is a public and rapidly growing company headquartered in Malmö, Sweden. According to the Venture Development Corporation 2000 report Telelogic is the leading solution supplier in the embedded market and Telelogic DOORS has been named the market leader for requirements management in the Standish Group's 2000 report. Customers include Airbus, Alcatel, Bank of America, BMW, Boeing, British Telecom, Cisco, DaimlerChrysler, Deutsche Bank, Ericsson, Lockheed Martin, Lucent Technologies, Motorola, NEC, Nokia, Philips and Siemens. Telelogic's worldwide presence includes offices in Asia, Australia, Europe and North America. For more information about Telelogic and how it can benefit your development efforts, visit the website at # # # Telelogic, Telelogic Tau, DOORS, Logiscope and SCADE are trademarks of Telelogic.All other products are the trademarks, service marks, or registered trademarks of their respective holder. ------------------------------------------------------------ This information was brought to you by BIT The following files are available for download:

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Telelogic is a leading global provider of solutions for advanced systems and software development. Telelogic's intuitive, best-in-class software tools automate and support best practices throughout the development lifecycle, leaving development teams free to concentrate on core competencies and apply their skills and energy to value-added tasks. By optimizing each phase of development, Telelogic enables companies to deliver higher quality systems and software with greater predictability, reduced time-to-market and lower overall costs. To ensure interoperability with third-party tools, Telelogic's products are built on an open architecture and standardized languages.