Sonus Networks to Report First Quarter 2016 Financial Results on April 27, 2016

WESTFORD, Mass., March 31, 2016 – Sonus Networks, Inc. (Nasdaq: SONS), a global leader in secure and intelligent Cloud communications, today announced that it will report financial results for its first quarter ending March 31, 2016 before the open of the market on Wednesday, April 27, 2016. Following the release, Sonus will host a conference call with the financial community at 8:30 a.m. ET to discuss the results.

The company will offer a live, listen-only Webcast of the conference call via the Sonus Networks Investor Web site at http://investors.sonusnet.com/events.cfm where a replay will also be available shortly following the conference call.

Conference call details:

Date: April 27, 2016
Time: 8:30 a.m. (ET)
Dial-in number: 800-668-4115
International callers: +1-303-223-4384

Replay information:

A telephone playback of the call will be available following the conference call until May 11, 2016 and can be accessed by calling 800-633-8284 or +1-402-977-9140 for international callers. The reservation number for the replay is 21809005.

Tags:

Sonus Networks, Sonus, SONS, 2016 first quarter, earnings, results.

About Sonus Networks:

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.

For more information:

Mark Greenquist, (978) 614-8200
mgreenquist@sonusnet.com