Telelogic Tau 4.1 delivers first SDL-2000 features

Telelogic Tau 4.1 delivers first SDL-2000 features Provides optimized capabilities for real-time software development MALMÖ, Sweden, November 21, 2000 - Telelogic AB (Stockholm Stock Exchange:TLOG), the leading supplier of solutions for real-time software development and requirements management, announces the availability of the latest release of its successful tool suite Telelogic Tau 4.1. By combining the two leading graphical development languages, UML 1.3 and SDL-2000, the new product meets the strong market demand for visual design of all aspects of real-time and communication software systems. "With the release of Telelogic Tau 4.1, the real-time market takes yet another step towards the harmonization of UML and SDL" said Ingemar Ljungdahl, Telelogic's CTO. "With the merged real-time language UML 2.0 still in the future, the new SDL-2000 support in Telelogic Tau brings key benefits of UML 2.0 to real-time developers already today." For many software projects, reducing the time spent in testing leads to major improvements in time-to-market for the products. The 4.1 release includes support for regression testing of software modules, as well as a completely new TTCN test script generator, offering improved error handling and an extended logging functionality. In close cooperation with some of Telelogic's most demanding customers, the 3G development projects, the ASN.1 support has been extended, making Telelogic Tau the only tool on the market that offers a one-stop solution for visual development with integrated ASN.1 support. All of these features are in addition to the Telelogic Tau and DOORS integration already announced. Availability Telelogic Tau 4.1 is currently available from Telelogic for Microsoft® Windows 95, Windows 98, Windows NT, Windows 2000, and UNIX workstations. About Telelogic Tau Telelogic Tau is comprised of tools for the analysis, design and testing of event-driven, real-time applications. 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 software development, simulation and testing environment for real-time and communications applications. Telelogic Tau also offers SCADE (Safety Critical Application Development Environment), a tool for developing time-triggered, safety-critical systems and Logiscope, a tool suite that facilitates quality assessments of software written in C, C++, Ada or Java. About Telelogic DOORS Telelogic DOORS is part of Telelogic DOORS® Enterprise Requirements Suite (DOORS/ERS), the first enterprise-wide requirements management suite for every type of user. It is designed to capture, link, trace, analyze and manage a wide range of diverse textual and graphical information to ensure a project's compliance to specified requirements and standards. DOORS/ERS is comprised of DOORS, the world's leading requirements management tool, DOORSnet@, that brings the functionality of DOORS to distributed work teams via the Internet, and DOORSrequireIT, that brings the benefits of requirements management to users who prefer to work in Microsoft Word. About Telelogic AB Telelogic is the world's leading supplier of solutions for real-time software development and requirements management. By offering high-quality graphical tools, software components and professional services, Telelogic makes the development of advanced software more rapid, less labor intensive, and more reliable. Customers include Airbus, Alcatel, BMW, Boeing, Cisco, DaimlerChrysler, Ericsson, Fujitsu, Lockheed-Martin, Lucent Technologies, Motorola, NEC, Nokia, Nortel Networks, Raytheon, Siemens and a number of universities and institutions worldwide. Headquartered in Malmö, Sweden, Telelogic's worldwide presence includes sales and service offices in Asia, Australia, Europe and North America. Information about Telelogic and its products can be found on the world wide web at # # # Telelogic, Telelogic Tau, DOORS, Logiscope, ObjectGeode and SCADE are trademarks of Telelogic. All other products are the trademarks, service marks, or registered trademarks of their respective holder. Contacts: Anders Lidbeck Ingemar Ljungdahl President & CEO CTO Telelogic AB Telelogic AB Phone: +46 40 17 47 00 Phone: +46 40 17 47 00 Jessie Glockner Rainier Corporation (for Telelogic) Phone: (978) 464-5302 ext. 140 ------------------------------------------------------------ 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.