Sonus Networks VP and CIO Bill Scudder Wins Mass Tech Leadership Council's "CIO of the Year" Award

Award Recognizes Executive for Industry Leadership and Technology Innovation

Westford, Mass., October 12, 2011 – Sonus Networks, Inc. (Nasdaq: SONS), a market leader in next-generation IP-based network solutions , today announced that the company's Vice President and Chief Information Officer, Bill Scudder, has won the Massachusetts Technology Leadership Council's CIO of the Year Award. The award was given at the Council's 14th annual Awards Gala, which was held October 6 at Boston's Seaport Hotel.

With more than 20 years of business and IT experience, Mr. Scudder is responsible for extending Sonus' operational excellence and driving technological innovation to meet the current and future needs of the company. He is also transforming how Sonus communicates and collaborates internally using the company's own solutions while effectively controlling its IT investments.

"I am privileged to have been recognized by MassTLC with the esteemed CIO of the Year award," said Bill Scudder. "Receiving this award is validation of our IT strategy to reflect the innovation culture of our company. We are leveraging cloud-based solutions for efficiency and time-to-value advantage while deploying Sonus' advanced SIP-based solutions for fast, cost-effective and high-quality communications across our enterprise - the very same solutions that we bring to our customers."

Close to 500 senior executives filled the waterfront hotel's ballroom for the event, which showcased the depth and breadth of the state's vibrant technology ecosystem with winners from a wide range of company sizes and technologies.

"We're honored to be able to give this award to Sonus Networks," said Tom Hopcroft, President and CEO of MassTLC. "Sonus Networks' innovative technology and market leadership are testimony to the outstanding achievements by the individuals and organizations in Massachusetts that are defining the future of the technology sector."

A committee of Council Trustees, local thought leaders and media participated in the selection process for the nominees and chose the winners in each category. For a full list of this year's nominees, go to http://www.masstlc.org/2011awardsfinalists.html.

About The Mass Technology Leadership Council, Inc.

The Mass Technology Leadership Council, Inc. is the only business association that addresses the critical leadership issues of innovative technology and technology-enabled companies. The organization is dedicated to fostering entrepreneurship and promoting the success of companies that develop and deploy technology across industry sectors. The Mass Technology Leadership Council conducts educational programs, hosts industry events, facilitates networking, sponsors research, advocates in favor of technology policies that promote innovation, entrepreneurship and competition, and recognizes industry-leading companies and people. For more information, visit http://www.masstlc.org/ or http://blog.masstlc.org/.

About Sonus Networks

Sonus Networks, Inc. is a leader in IP networking with proven expertise in delivering secure, reliable and scalable next-generation infrastructure and subscriber solutions. With customers in over 50 countries across the globe and over a decade of experience in transforming networks to IP, Sonus has enabled service providers and enterprises to capture and retain users and generate significant ROI. Sonus products include media and signaling gateways, policy/routing servers, session border controllers and subscriber feature servers. Sonus products are supported by a global services team with experience in design, deployment and maintenance of some of the world's largest and most complex IP networks. For more information visit and the Sonus in Session blog.

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 year ended December 31, 2010 and all subsequent Quarterly Reports on Form 10-Q, which identify important risk factors that could cause actual results to differ from those contained in the forward-looking statements. 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:

Sonus Networks:
Aline Kaplan
alkaplan@sonusnet.com
+1 978-614-8167

Patti Leahy
Investor Relations
978-614-8440
pleahy@sonusnet.com

Paul Roberts
sonus@daviesmurphy.com
+1 781-418-2418