WESTFORD, Mass., Jan. 31 /PRNewswire-FirstCall/ -- Sonus Networks, Inc. (Nasdaq: SONS), a leading supplier of service provider IP-voice infrastructure solutions, announced today that the company will participate in the following upcoming event with the financial community:



    Thomas Weisel Partners Technology, Telecom & Internet Conference 2008
    San Francisco, Calif.
    Wednesday, February 6th, 2008 at 8:00 a.m., PST
    Speaker: Hassan Ahmed, chairman, president and chief executive officer,
             Sonus Networks

About Sonus Networks

Sonus Networks, Inc. is a leading provider of IP-voice 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 Westford, Massachusetts. Additional information on Sonus is available at http://www.sonusnet.com.

Sonus is a registered trademark of Sonus Networks, Inc. All other company and product names may be trademarks of the respective companies with which they are associated.



    For more information, please contact:

    Investor Relations:         Media Relations:
    Jocelyn Philbrook           Shannon Breen
    978-614-8672                781-487-4607
    jphilbrook@sonusnet.com     sbreen@racepointgroup.com

SOURCE Sonus Networks, Inc.