OKI NETWORK TECHNOLOGIES DEVELOPS VOIP TECHNOLOGY FOR USE WITH SIEMENS' SURPASS SYSTEMS Siemens Certifies and Signs Agreement with Oki Network Technologies for VoIP Gateways to Interoperate with Siemens' SURPASS Systems

Oki Network Technologies (Oki NT), a wholly-owned subsidiary of Oki Electric Industry Co., Ltd. of Japan, today announced that it has signed a SURPASS Certified Product Agreement with Siemens AG (NYSE:SI) and the first certification of an Oki product for use with Siemens' SURPASS systems. The VoIP-TA-S terminal adaptor has been developed and certified to inter-work with Siemens' SURPASS H.323 Annex M.3 protocol requirements and is now available for use in combination with Siemens' SURPASS Next Generation Network products.

Sunnyvale, Calif. - October 28, 2002 - Oki Network Technologies (Oki NT), a wholly-owned subsidiary of Oki Electric Industry Co., Ltd. of Japan, today announced that it has signed a SURPASS Certified Product Agreement with Siemens AG (NYSE:SI) and the first certification of an Oki product for use with Siemens' SURPASS systems. The VoIP-TA-S terminal adaptor has been developed and certified to inter-work with Siemens' SURPASS H.323 Annex M.3 protocol requirements and is now available for use in combination with Siemens' SURPASS Next Generation Network products.

This agreement will now enable worldwide service providers and enterprise customers to have access to a pre-tested, proven end-to-end IP-based telephony solution that is highly interoperable and scalable for both new and existing voice-data networks. Additionally, this agreement opens new doors of opportunities for service providers and enterprises to supplement, expand, or replace their existing systems by implementing lower cost VoIP technologies that give their customers the advantages of IP services, as well as all of the perks of TDM telephony service, including call waiting, call forwarding, call hold, etc.

"As data networks continue to converge with voice networks, the need for carrier quality VoIP products is growing exponentially," said Dale Rogers Vice President VoIP Business Unit, at Oki Network Technologies. "Oki is extremely pleased to be able to offer its best in class VoIP products with Siemens' SURPASS NGN platforms worldwide."

The VoIP-TA-S is a single port terminal adaptor that incorporates H.323 Annex M.3 supplementary services as well as standard H.323 interface capabilities. Designed for enterprise, residential and SOHO use, the VoIP-TA-S is competitively priced, as well as easy to provision and install.

"Oki is the leading VoIP vendor in Japan and is pleased to be able to bring its TDM voice quality VoIP expertise to the world market," states Rogers. "With Oki's VoIP-TA-S and the Siemens' SURPASS system, carriers will now be able to create exciting and powerful VoIP solutions offerings that stand to bring VoIP services to millions of people around the globe."


About Siemens
Information regarding Siemens SURPASS system products can be found at http://w4.siemens.de/networks/gg/wn/cs/themen/surpass.

About Oki Network Technologies
Headquartered in Sunnyvale, Calif., Oki Network Technologies is a wholly owned subsidiary of Oki Electric Industry Co., Ltd. - one of Japan's first telecommunications manufacturers. Founded in 1881, Oki Electric designs, develops and manufacturers a vast array of telecommunications systems, information systems and electronic devices worldwide, and leads the Japanese market with VoIP solutions. Oki Network Technologies provides advanced telecommunications, networking products, and other highly scalable telephony networking systems to North America, South America, and Europe. More information on Oki Network Technologies VoIP products can be found at http://www.okint.com, or by contacting Oki Network Technologies at 1-800-641-8909.

# # #

Editors' Note: More information about Oki Network Technology, products, services and business partners is available on the World Wide Web at: (http://www.okint.com)

All other products, brand names or companies are trademarks or registered trademarks of their respective companies.