Find Your Solution 

Receive a complimentary Executive Solutions Assessment that identifies the right Sonus solution for your business needs.



"The SBC 5200 delivered the session control, media transcoding and scalability we needed in a single platform. The 5200 was extremely easy to deploy and we were able to get our new service locations up and running within our network in less than two weeks."
Jamie Busic,
Chief Executive Officer

Investor FAQs

You will need to contact a licensed stockbroker to purchase shares of the company.

Sonus Networks' initial public offering was May 25, 2000 and the price was $23.00.

Sonus Networks' transfer agent is American Stock Transfer & Trust Company. They can be reached at 1-877-777-0800 (toll free), or by fax on 718-236-2641. Their mailing address is 59 Maiden Lane, New York, New York, 10007. They can be reached on the World Wide Web at

Contact American Stock Transfer & Trust Company directly at 1-877-777-0800, or by fax on 718-236-2641. Their mailing address is 59 Maiden Lane, New York, New York, 10007. They can be reached on the World Wide Web at

We do not anticipate paying any cash dividends in the forseeable future. We have never paid any cash dividends and currently expect to retain future earnings, if any, for use in the operation and expansion of our business.

No, Sonus Networks does not offer a direct stock purchase program at this time. If you would like to purchase shares in Sonus Networks, please contact your broker.

Thursday, June 11, 2015, at 10:00 a.m., local time, at the offices of Wilmer Cutler Pickering Hale and Dorr LLP, located at 60 State Street, Boston, Massachusetts 02109.

Sonus Networks' Form 10Ks, Form 10Qs and other reports, are available for viewing on this web site. Click here to review available financial statements. To sign up to receive an automatic electronic link when the Annual Report or latest SEC filing is available, click here.

Each quarter the company will issue a press release and Form 10Q which summarizes its financial performance. In addition, the company will conduct a conference call to provide investors the opportunity to hear from management.

Patti Leahy
Investor Relations
Sonus Networks

Phone: (978) 614-8440

Transfer Agent
American Stock Transfer & Trust Company

59 Maiden Lane
New York, NY 10007
Phone: 1-877-777-0800

Deloitte & Touche LLP

200 Berkeley Street
Boston, MA 02116
Phone: (617) 437-2000

Manatt, Phelps & Phillips, LLP

11355 W. Olympic Blvd.
Los Angeles, CA 90064
Phone: (310) 312-4000


Please submit your question using the form below. * Required fields

This helps Sonus Networks prevent automated submissions.

Stock Quote (NASDAQ: SONS)

+ 0.13
Day High:
Day Low:
4:00 PM ET on Oct 19, 2017
Delayed at least 20 minutes.
Provided by eSignal.