Sonus Networks to Present at Global IP Carriers 2005

    Business Editors/Technology Editors
    Global IP Carriers
    Stand No. 8

    SWINDON, United Kingdom--(BUSINESS WIRE)--April 21, 2005--Sonus Networks (Nasdaq: SONS), a leading supplier of service provider voice over IP (VoIP) infrastructure solutions, today announced that it is participating in this year's Global IP Carriers 2005 conference being held 25 - 28 April at the Thistle Tower Hotel in London, UK.
    Executives from Sonus Networks will offer delegates a view of the key threats and opportunities of VoIP. Sonus' founder and Chief Technology Officer (CTO) Mike Hluchyj will provide a perspective on what lies ahead for next generation networks.
    Sonus speakers and topics scheduled to appear at the Global IP Carriers Convention include:

Monday, April 25, 2005, 10:00am - 4:00pm

Session: Pre-conference workshop: Understanding the opportunities and threats of VoIP Speaker: Neil Kinder, Technical Director, Europe, Middle East & Africa (EMEA)

Thursday, April 28, 2005, 12:20pm - 12:50pm

Session: Harnessing new VoIP opportunities: what's ahead for next generation networks Speaker: Mike Hluchyj, founder and CTO
    Global IP Carriers 2005 is a senior-level strategic conference that is attended by fixed & mobile operators, manufacturers, systems integrators and software providers. This event is intended to bring together senior decision makers from the industry to meet, evaluate and learn best practice, and plan for the future.
    Further information on Global IP Carriers 2005 can be found at http://www.carriersworld.com/2005/ip/index.stm

    About Sonus Networks

    Sonus Networks, Inc. is a leading provider of voice over IP (VoIP) infrastructure solutions for wireline and wireless service providers. With its Open Services Architecture(TM) (OSA), Sonus delivers end-to-end solutions addressing a full range of carrier applications, including trunking and tandem switching, residential and business access, network border switching and enhanced services. Sonus' voice infrastructure solutions, including media gateways, softswitches and network management systems, are deployed in service provider networks worldwide. Sonus, founded in 1997, is headquartered in Chelmsford, Massachusetts. Additional information on Sonus is available at http://www.sonusnet.com.

    Sonus is a registered trademark of Sonus Networks. Open Services Architecture, GSX9000 and Insignus are trademarks of Sonus Networks. All other trademarks, service marks, registered trademarks, or registered service marks are the property of their respective owners.

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CONTACT: Sonus Networks, Inc. Media Relations Tom Cheesewright, +44 (0) 1628 628080 tomc@noiseworks.com or Investor Relations Jocelyn Philbrook, 978-614-8672 jphilbrook@sonusnet.com

KEYWORD: MASSACHUSETTS UNITED KINGDOM INTERNATIONAL EUROPE TRACK INDUSTRY KEYWORD: SOFTWARE NETWORKING INTERNET E-COMMERCE TRADESHOW SOURCE: Sonus Networks, Inc.

Copyright Business Wire 2005