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Sonus Networks Brings Next-Generation Mobile Architectures to Life
Mar 31, 2008 (08:03 AM EDT)

LAS VEGAS, Nev., March 31 /PRNewswire-FirstCall/ -- CTIA 2008 -- Hassan Ahmed, chairman, president and CEO at Sonus Networks Inc., today predicted that next generation telecommunications networks will continue to disrupt traditional communications services and the entertainment industry as consumers consider their mobile services indispensable and leverage the higher mobile broadband speeds now available.

"Globally, we are in the midst of redefining communications, social networking and how entertainment is delivered to consumers," said Ahmed, ahead of the CTIA Wireless 2008 Convention. "Increasing broadband speed and convergence bring a new level of capabilities and personalization to mobile services. Operators, such as those attending CTIA 2008, are embracing this opportunity and launching network plans, such as 4G that will revolutionize the communications industry. The Sonus Networks vision for the IP network is becoming a reality."

Fourth generation mobile broadband technology using Long Term Evolution (LTE) is being trialed by operators around the world and will create a common mobile network that enables consumers to move seamlessly across the globe without limiting their mobile coverage. Additionally, LTE technology will drive the IP mobile network where Sonus is able to deliver the enhanced mobile services consumers want without heavy investment in infrastructure for the mobile operators.

"It is clear the mobile industry is seeing significant grow in data traffic as the wireless broadband market matures," said Brian Partridge, director of service provider enabling technologies, Yankee Group. "Next generation mobile broadband access technologies such as LTE and WiMAX, demand scaleable and high performance IP services infrastructure."

A Sonus IP-based next generation infrastructure that includes the recently announced mobilEdge, will allow wireless operators to quickly respond to customers' demands for bandwidth hungry services and retain flexibility within their network to innovate and take advantage of 4G networks.

"This year, we hear our customers talk about planning for these future technologies," said Vikram Saksena, CTO at Sonus Networks. "The IP based network and advanced switching capabilities of the Sonus infrastructure, helps integrate the wireless and wireline services in use today. WiMax and LTE are just alternative broadband technologies to us. Customers can make choices about their infrastructure today, without worrying about the broadband delivery they will use in the future."

Sonus Networks are exhibiting at the CTIA show in Las Vegas, booth #3439.

About Sonus Networks

Sonus Networks, Inc. is a market leader in IP communications infrastructure 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 .

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' Annual Report on Form 10-K for the period ended December 31, 2007, 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 restatement of its historical stock option granting practices and accounting including regulatory actions or litigation; 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, except as required by law.

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 Lucy Millington 978-614-8672 978-614-8240

CONTACT: Investors, Jocelyn Philbrook, +1-978-614-8672,, or Media, Lucy Millington, +1-978-614-8240,, both of Sonus Networks, Inc.

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