For Immediate Release: May 31, 2016

WESTFORD, Mass., May 31, 2016 /PRNewswire/ -- Sonus Networks, Inc. (Nasdaq: SONS), a global leader in secure and intelligent Cloud communications, today announced that Mark Greenquist, Sonus Chief Financial Officer, will make a presentation on behalf of the Company at the Cowen and Company 44th Annual Technology, Media & Telecom Conference in New York City, on Wednesday, June 1, 2016 at 3:30 PM ET.

The presentation will be webcast live on the Sonus Networks Investor website at http://investors.sonusnet.com/events.cfm where a replay of the presentation will also be available for 60 days following the presentation date.

Tags:

Sonus Networks, Sonus, SONS, Session Border Controller, SBC, Diameter Signaling Controller, SDN, Cloud, VoIP Communications, Unified Communications, UC, SIP, Cowen.

About Sonus:

Sonus brings the next generation of Cloud-based SIP and 4G/VoLTE solutions to its customers by enabling and securing mission critical traffic for VoIP, video, IM and online collaboration. With Sonus, enterprises can intelligently secure and prioritize real-time communications, while service providers can deliver reliable, secure real-time services for mobile, UC and social applications.  Sonus offers an award-winning portfolio of hardware-based and virtualized Session Border Controllers (SBCs), Diameter Signaling Controllers (DSCs), Cloud Exchange Networking Platform, Policy/Routing servers and media/signaling gateways. Visit www.sonus.net or call 1-855-GO-SONUS. Follow Sonus on Twitter, Facebook, LinkedIn, YouTube and Instagram.

For Sonus:

Mark Greenquist +1-978-614-8200
mgreenquist@sonusnet.com