Veracity Chooses Sonus for Support of Enhanced Communications Applications and Services

WESTFORD, Mass.  , April 18, 2007 – Sonus Networks, Inc. (Nasdaq: SONS), a leading supplier of service provider Voice over IP (VoIP) infrastructure solutions, announced today that Veracity Communications has selected Sonus’ complete Voice over Broadband (VoBB) solution as the foundation for its next generation communications network. Veracity will leverage the Sonus platform to support service to its residential subscribers, as well as to small and medium-sized businesses (SMBs). By deploying Sonus’ VoBB architecture, Veracity is able to bundle compelling voice and data services, providing its customers with superior value and reliable service.

“We selected the Sonus VoBB solution because, as the popularity of our digital voice service continues to skyrocket, we needed a platform that would scale while delivering the reliable performance our customers have come to expect from Veracity,” said Drew Peterson, president, Veracity Communications. “Sonus’ platform, and in particular the ASX™ Feature Server, allows us to rollout to our customers a robust set of services that give users personalized control of their telecommunications service, including enhanced privacy and options that support greater productivity.”

“As traffic on IP-based networks worldwide continues to grow, the emphasis on scalability and reliability takes center stage, and that is where Sonus has differentiated itself from other offerings,” said Hassan Ahmed, chief executive officer, Sonus Networks. “The Sonus VoBB solution is the perfect solution for network operators like Veracity that are 100% focused on providing their customers with highly reliable, superior quality service.”

Veracity is deploying the complete Sonus’ VoBB platform, which includes the industry leading GSX™ Open Services Switch, ASX™ Feature Server, PSX™ Call Routing Server, SGX™ Signaling Gateway, and the Sonus Insight™ Management System. Veracity’s Sonus-based network began carrying live traffic in June 2006.

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 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.

This release may contain forward-looking statements regarding future events that involve risks and uncertainties.  Readers are cautioned that these forward-looking statements are only predictions and may differ materially from actual future events or results.  Readers are referred to Item 1A “Risk Factors” of Sonus’ Quarterly Report on Form 10-Q dated May 8, 2006, filed with the SEC, which identifies important risk factors that could cause actual results to differ from those contained in the forward-looking statements.  Risk factors include among others: the impact of material weaknesses in our disclosure controls and procedures and our internal control over financial reporting on our ability to report our financial results timely and accurately; the unpredictability of our quarterly financial results; risks and uncertainties associated with the Company’s announced review of its historical stock option grants and accounting, including any potential impact on the Company’s financial statements or results, any tax liabilities or penalties, the Company’s inability to timely report with the Securities and Exchange Commission, whetherthe Nasdaq Listing Council will continue the delisting stay or grant an extension or that the company's securities will remain listed on the NASDAQ Stock Market, potential investigations, regulatory actions or litigation arising out of the review or any restatement; risks associated with our international expansion and growth; consolidation in the telecommunications industry; and potential costs resulting from pending securities litigation against the company. Any forward-looking statements represent Sonus’ views only as of today and should not be relied upon as representing Sonus’ views as of any subsequent date.  While Sonus may elect to update forward-looking statements at some point, Sonus specifically disclaims any obligation to do so.

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