Lucent Technologies and NMS Communications to Deploy Advanced Voice Quality Product for Japanese Major Network Operators; New Echo Cancellers Help Network Operators Offer High Sound Quality

Business Wire, July 14, 2005

TOKYO & FRAMINGHAM, Mass. -- Lucent Technologies (NYSE: LU) and NMS Communications (NASDAQ: NMSS) today announced that their new echo cancellers have been selected by Japanese major network operators to improve the voice quality of their next-generation networks in Japan.

Echo cancellers eliminate annoying echoes on phone calls. Such echoes are caused by network delays and by electrical faults (i.e., impedance mismatches) where local telephone lines connect to a digital voice network. The new enhanced optical voice processor has been designed by NMS and Lucent for high-quality broadband networks and will provide network enhancements, including increased density, an improved network monitoring system, and an STM-0 interface with a 52MB optical link.

"We are very proud to contribute to the business of Japanese network operators," said Toshio Takahashi, representative director and vice president of Lucent Technologies Japan. "With our more than 20 years of experience in echo cancellation technology and the collaboration with NMS, we are able to help them deliver next-generation networks having a high level of service quality."

Clarke Ryan, NMS Communications' senior vice president of Voice Quality Products said, "The successful completion of the development and the subsequent rapid ramp to volume production of full systems was accomplished through outstanding teamwork between Lucent Japan and NMS."

The new echo canceller is an enhanced optical voice processor that replaces previous generation echo cancellation equipment developed by Lucent nearly 10 years ago. The new design reduces the cost per channel compared to the previous product and enables wireless networks to support high-quality, high-speed wireless broadband services.

About Lucent Technologies

Lucent Technologies, headquartered in Murray Hill, N.J., USA, designs and delivers networks for the world's largest communications service providers. Backed by Bell Labs research and development, Lucent relies on its strengths in mobility, optical, data and voice networking technologies as well as software and services to develop next-generation networks. The company's systems, services and software are designed to help customers quickly deploy and better manage their networks and create new, revenue-generating services that help businesses and consumers. For more information on Lucent Technologies, visit its Web site at http://www.lucent.com.

About NMS Communications

NMS Communications (NASDAQ:NMSS) is a leading provider of communications technologies and solutions, enabling new enhanced services and efficient networks that help our customers grow their revenues and profits. Visit www.nmscommunications.com for more information.