Hassan Ahmed, CEO of Sonus Networks, Inc.,
Rings The NASDAQ Stock Market Opening Bell

Tuesday, March 14, 2006
at NASDAQ's MarketSite
in New York City.

Sonus Networks, Inc.

Hassan Ahmed, CEO of Sonus Networks, Inc., presides over the opening bell. Sonus Networks, Inc. is a leading provider of Voice over IP (VoIP) infrastructure solutions for wireline and wireless service providers. With its comprehensive IP Multimedia Subsystem (IMS) solution, Sonus addresses the full range of carrier applications, including residential and business voice services, wireless voice and multimedia, trunking and tandem switching, carrier interconnection and enhanced services. Sonus' voice infrastructure solutions are deployed in service provider networks worldwide. Founded in 1997, Sonus is headquartered in Chelmsford, Massachusetts.

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