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SUPERCOMM 2004 Booth #25204

CHELMSFORD, Mass., June 15, 2004 – At SUPERCOMM 2004, Sonus Networks (Nasdaq: SONSE) will be highlighting technology trends in voice over IP (VoIP) infrastructure and related IP-based enhanced services in its exhibit and through participation in several conference presentations.  The Sonus booth will feature demonstrations of the company’s industry-leading products including the GSX9000TM Open Services Switch, the InsignusTM Softswitch and Sonus InsightTM Management System.  Additionally, the Sonus exhibit will showcase a variety of VoIP solutions, including voice over broadband (VoBB) for consumers and businesses, trunking, network border switching and enhanced services such as voice conferencing and messaging.  

Sonus has a major presence in the educational portion of the conference, with executives participating in the following sessions:

Monday, June 21, 10:00 am – 11:30 am
Session:   Session: Industry Update - Network Protocols: Next Steps
Speaker:  Uma Reddy, office of the CTO

Monday, June 21, 2:00 pm – 4:00 pm
Session:   Winning Broadband Services and Strategies
Speaker:  Hassan Ahmed, CEO and chairman

Tuesday, June 22, 3:30 pm – 5:00 pm
Session:   Telecommunications Magazine panel – Class Wars: The New Opportunities for Softswitches
Speaker:  Mike Hluchyj, founder and CTO

Wednesday, June 23, 10:45 am – 12:00 pm
SIP Summit 2004
Session: SIP and 3GPP
Speaker: Ravindra Kabre, product manager

Wednesday, June 23, 2004, 1:30 pm - 3:00 pm
Session: Telecommunications Magazine panel – The VoIP Promise: Can Providers Capitalize?
Speaker: Hassan Ahmed, CEO and chairman

Wednesday, June 23, 2:15 pm – 3:45 pm
Session:   Packet Voice Services - Realities and Opportunities
Panel Chair: Mike Hluchyj, founder and CTO
Speaker: Vikram Saksena, office of the CTO

Wednesday, June 23, 4:00 pm – 4:25 pm
USTA Telecom Engineering Conference
Session:   Take Charge of the Network: Harnessing the Killer Voice Application
Speaker: Bruce Trvalik, director, product management

SUPERCOMM is the premier annual communications and information technology exhibition and conference.  Additional information on SUPERCOMM 2004 can be found at www.supercomm2004.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, Insignus and Sonus Insight are trademarks of Sonus Networks.  All other trademarks, service marks, registered trademarks, or registered service marks are the property of their respective owners.