NMS Communications Chosen by SwissQual to Power Voice and Data QoS Monitoring System for SingTel

12/5/2002 - NMS Communications (Nasdaq: NMSS), the leading supplier of technology for tomorrow's networks, was selected by SwissQual, a Switzerland-based company specializing in consulting and systems development of Quality of Service (QoS) for mobile, fixed, and IP-based networks, to provide foundation technology for an end-to-end QoS measurement and monitoring system for Singapore Telecommunications, Ltd. (SingTel). SingTel is Asia's leading global communications company and it delivers superior quality voice and data services over fixed and wireless networks.

SwissQual's QoS testing and monitoring system, NetQual, measures QoS on packet and circuit switched networks. SingTel is using NetQual to test remote networks by dialing into the network from an alternate location. NetQual provides reports and data for analysis purposes and is able to automatically schedule testing for various destinations at pre-selected hours. Additionally, NetQual's extensive set of selected test scenarios enables SingTel to monitor end-to-end quality and Dual Tone Multi-Frequency (DTMF).

Using an NMS platform with proven superior scalability, reliability, and compatibility, SwissQual was able to provide SingTel with the high-performance, carrier-grade telephony processing, and echo cancellation necessary within its NetQual system.

"We chose NMS' technology to be a part of NetQual because it provides superior, highly scalable speech processing and echo cancellation," said Abdul Rahman Zamawi, Managing Director, Asia Pacific at SwissQual. "This is essential for us as we enable service providers to consistently deliver high quality voice and data services. The company's field-proven technology, coupled with its more than 20 year history as an industry innovator, makes NMS Communications our partner of choice."

"We recognize QoS for both voice and data services as an important competitive differentiator for carriers. For a carrier with the reach of SingTel, the ability to monitor its network effectively and ensure end-to-end QoS demands a sophisticated, high-performance solution," said Gerrold Walker, vice president and general manager of NMS' Platform Solutions business. "We are thrilled that SwissQual, the acknowledged leader in this field, selected NMS as the platform for its solution for SingTel."

About SwissQual's NetQual System
SwissQual's NetQual system enables true end-to-end testing on virtually any network technology and related combinations. It is the ideal solution for the testing of Voice-over-IP (VoIP), Integrated Services Digital Network (ISDN), Public Switched Telephony Network (PSTN), and mobile networks, as well as testing for the quality assessment of VoIP phones, mobile phones, and gateways. The system enables companies to identify faulty system elements, improve network performance, shorten development time, and troubleshoot.

About SwissQual
Based in Zuchwil, Switzerland, SwissQual is a provider of consulting and systems development within the field of mobile, fixed, and IP based networks. The main focus of the company is the development of QoS related systems and algorithms for measuring, monitoring, and optimizing of network quality. The Company's web site can be found at http://www.swissqual.com.

About Singapore Telecommunications, Ltd. (SingTel)
SingTel is Asia's leading communications company with a comprehensive portfolio of services that include voice and data services over fixed, wireless, and Internet platforms. Serving both the corporate and residential markets, SingTel is committed to bringing the best of global communications to its customers in the Asia Pacific and beyond.

SingTel has extensive interests in submarine cable and satellite systems, including its co-owned ST-1 satellite. Its infrastructure development strategy is to ensure that its networks remain modern and efficient, and continue to meet the needs of its customers.

The SingTel Group has expanded into overseas markets, with investments in many countries and territories. Its major investments include Optus of Australia, Belgacom of Belgium, Advanced Info Service of Thailand, New Century Infocomm of Taiwan, the Bharti Telecom Group of India and Globe Telecom of the Philippines. More information can be found at http://www.singtel.com.

About NMS Communications
NMS Communications (Nasdaq: NMSS) designs, delivers, and supports technology-leading systems and system building blocks for innovative voice, video, and data services on wireless and wireline networks. The world's top communications equipment suppliers, solution developers, carriers, and network operators trust NMS to help them bring applications and services to market faster and at lower costs.

Headquartered in Framingham, Massachusetts, with offices around the world and products deployed in over 90 countries, NMS has a record of technology innovations that have advanced the growth of the global communications industry. These achievements include voice quality enhancement software that pairs noise reduction and compensation to make it easy for both parties to hear each other during mobile phone conversations, in even the noisiest environments. They also include the industry's first complete and open IP gateway, packet media server, and multimodal system for enhanced services. Visit www.nmscommunications.com for more information.

NMS Communications and is a trademark of NMS Communications Corporation.

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