Siemens to Deliver Signaling System 7 Capabilities On Microsoft Windows NT Server

GENEVA, Sept. 9, 1997 — Siemens AG, DGM & S Telecom and Microsoft Corp. today announced at Telecom Interactive ’97 that Siemens’ Public Communication Networks Group plans to deliver its INXpress platform for intelligent network (IN) applications based on DGM & S’s OMNI SignalWare™ for the Microsoft® Windows NT® Server network operating system. Siemens will begin beta testing in 1998 and release this next generation of the INXpress product line by mid-1999.

“UsingOMNI SignalWare for Windows NT Server extends and completes the available platforms for the Siemens INXpress product line,”
said Helmut Wendler, vice president, business unit, IN, within the Siemens Public Communication Networks Group
“For example, the Windows NT Server platform is key to addressing the upcoming market of city carriers as they develop their infrastructure and services.”

INXpress is a complete IN solution and a key technology for providing optimized communication services, now and in the future. Its service creation and management facilities support the quick and efficient introduction and provision of new services while ensuring network integrity, compliance with international standards and optimum flexibility to meet future requirements.

“In this era of deregulation, city carriers (or competitive local exchange carriers) have become engines for growth and innovation in the telecommunications industry,”
said Shawn Osborne, president and COO of DGM & S Telecom.
“We are excited about this opportunity to further extend our relationship with Siemens and Microsoft and believe this is another crucial step in delivering mission-critical applications to carriers on OMNI SignalWare.”

DGM & S Telecom is the leading international supplier of SignalWare, the telecommunications software used in network applications and systems for the evolving intelligent and Programmable Network
. DGM & S Telecom is recognized for its technical innovations in high-performance, fault-resilient Signaling System 7 (SS7) protocol platforms that enable high-availability, open applications and services for single-vendor and multivendor environments.

“This is a major endorsement of the Windows NT Server platform and its ability to enable the delivery of a wide range of telecommunications services in an intelligent network environment,”
said Cameron Myhrvold, vice president of the Internet customer unit at Microsoft.
“Siemens is a leading supplier of service control points to the global intelligent network customer segment. We see this as a major step in the ongoing evolution and convergence of the public switched telephone network and the Internet.”

A key component of the SS7-based intelligent network architecture is Service Control Point, which supports mission-critical applications such as toll-free service, credit-card validation and local number portability.

Microsoft’s collaboration with Siemens and DGM & S is an important component of Microsoft’s strategy to work with other companies to deliver platforms and products based on
Windows NT Server and independent software vendor applications for delivering and managing telecommunications services. Today’s announcement builds on Microsoft and DGM & S’ announcement in June 1997 describing the two companies’ intention to bring to market DGM & S’ OMNI SignalWare, a Signaling System 7 product for Windows NT Server.

The SS7 network is one of the most critical components of today’s telecommunications infrastructure. In addition to providing basic call control, SS7 allows carriers to provide a large and growing number of new services. The three companies expect this collaboration to result in increased revenues and lowered costs for service providers, and greater flexibility and control for enterprise users.

Siemens’ Public Communication Networks Group is one of the leading suppliers of solutions for telecommunication infrastructure systems. In the 1995-1996 fiscal year, this group, which employs a workforce of approximately 33,000, recorded sales approaching DM 11.8 billion. Businesses in 135 countries belong to the customer base of the Public Communication Networks Group. Siemens has received orders for GSM mobile radio networks from 95 network providers in 53 countries throughout the world. With almost 140 million ports for some 300 network operators in 94 countries, EWSD from Siemens is one of the world’s most popular digital switching systems.

Founded in 1974, DGM & S Telecom offers leading-edge hardware and software products that are deployed throughout telecommunication networks in North America, Europe, Africa and the Far East. DGM & S is a wholly owned subsidiary of Comverse Technology Inc. (NASDAQ

Founded in 1975, Microsoft (NASDAQ
) is the worldwide leader in software for personal computers. The company offers a wide range of products and services for business and personal use, each designed with the mission of making it easier and more enjoyable for people to take advantage of the full power of personal computing every day.

Microsoft and Windows NT are either registered trademarks or trademarks of Microsoft Corp. in the United States and/or other countries.

DGM & S, SignalWare and Programmable Network are trademarks of DGM & S Telecom.

Other product and company names herein may be trademarks of their respective owners.

Note to editors : If you are interested in viewing additional information on Microsoft, please visit the Microsoft Web page at on Microsoft’s corporate information pages. For more information on Microsoft’s telecommunications efforts, refer to . To view additional information on DGM & S, please visit the DGM & S Web page at To view additional information on Siemens, please visit the Siemens Web page at ( .

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