Sonus Networks to Speak at VON Europe 2005

Business Editors/High-Tech Writers/Telecommunications Writers

VON Europe 2005

Stand No. 621

SWINDON, United Kingdom -(BUSINESS WIRE)--May 18, 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 VON Europe 2005 conference and exhibition being held May 23-26, at Stockholm International Fairs in Sweden.

Executives from Sonus Networks will deliver presentations that provide a view of the key threats and opportunities of VoIP. Sonus' Chief Marketing Officer, Steve Edwards will provide a perspective on what lies ahead for next generation networks.

In addition to participating in the pre-conference workshop and main conference sessions, Sonus will also be exhibiting at the show.

Sonus speakers and topics scheduled to appear at VON Europe include:

Monday, May 23, 2005, 3:00pm - 3:15pm

Session: PSTN/IP Gateways and Softswitches Workshop - Next Generation Networks: The gateway to a single unified network.

Speaker: Neil Kinder, Technical Director, Europe, Middle East & Africa (EMEA)

Wednesday, May 25, 2005, 12:00pm - 12:45pm

Session: Keynote - Harnessing New VoIP Opportunities: What's Ahead for Next Generation Networks

Speaker: Steve Edwards, Chief Marketing Officer

Pulver.com's VON Europe 2005 conference begins on Monday, May 23, 2005 with a pre-conference workshop and will conclude on Thursday, May 26, 2005. All events will be held at the Stockholm International Fair in Sweden. VON Europe 2005 brings together, at a senior level, all of the players in the converging communications landscape and provides an opportunity to gain a comprehensive and up-to-date understanding of the challenges and opportunities ahead.

Further information on VON Europe 2005 can be found at: www.voneurope.com.

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.


Sonus Networks, Inc.

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