UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

 


 

SCHEDULE 14A

(Rule 14a-101)

 

INFORMATION REQUIRED IN PROXY STATEMENT

SCHEDULE 14A INFORMATION

 

Proxy Statement Pursuant to Section 14(a) of
the Securities Exchange Act of 1934 (Amendment No.     )

 

Filed by the Registrant  x

 

Filed by a Party other than the Registrant  o

 

Check the appropriate box:

o

Preliminary Proxy Statement

o

Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))

o

Definitive Proxy Statement

x

Definitive Additional Materials

o

Soliciting Material Pursuant to §240.14a-12

 

SONUS NETWORKS, INC.

(Name of Registrant as Specified In Its Charter)

 

 

(Name of Person(s) Filing Proxy Statement, if other than the Registrant)

 

Payment of Filing Fee (Check the appropriate box):

x

No fee required.

o

Fee computed on table below per Exchange Act Rules 14a-6(i)(1) and 0-11.

 

(1)

Title of each class of securities to which transaction applies:

 

 

 

 

(2)

Aggregate number of securities to which transaction applies:

 

 

 

 

(3)

Per unit price or other underlying value of transaction computed pursuant to Exchange Act Rule 0-11 (set forth the amount on which the filing fee is calculated and state how it was determined):

 

 

 

 

(4)

Proposed maximum aggregate value of transaction:

 

 

 

 

(5)

Total fee paid:

 

 

 

o

Fee paid previously with preliminary materials.

o

Check box if any part of the fee is offset as provided by Exchange Act Rule 0-11(a)(2) and identify the filing for which the offsetting fee was paid previously. Identify the previous filing by registration statement number, or the Form or Schedule and the date of its filing.

 

(1)

Amount Previously Paid:

 

 

 

 

(2)

Form, Schedule or Registration Statement No.:

 

 

 

 

(3)

Filing Party:

 

 

 

 

(4)

Date Filed:

 

 

 

 


 

SONUS NETWORKS, INC.

 

** IMPORTANT NOTICE **

 

Regarding the Availability of Proxy Materials
for the 2008 Annual Meeting of Shareholders to be held on 06/20/08

 

You are receiving this communication because you hold shares in the above company, and the material you should review before you cast your vote is now available.

 

This communication presents only an overview of the more complete proxy materials that are available to you on the Internet. We encourage you to access and review all of the important information contained in the proxy materials before voting.

 

SONUS NETWORKS, INC

7 TECHNOLOGY PARK DRIVE

WESTFORD, MA 01886

 

The Proxy Statement and 2007 Annual Report are available at www.proxyvote.com

 

PROXY MATERIAL - VIEW OR RECEIVE

 

You can choose to view the material Online or receive a paper or e-mail copy. If you would like to receive a paper or e-mail copy of these documents, you must request one. There is NO charge for requesting a copy. Requests, instructions and other inquiries will NOT be forwarded to your investment advisor.

 

To facilitate timely delivery please make the request as instructed below on or before 06/06/08.

 

HOW TO VIEW MATERIAL VIA THE INTERNET

 

Have the 12 Digit Control Number(s) available and visit: www.proxyvote.com

 

HOW TO REQUEST A COPY OF MATERIAL

 

1)  BY INTERNET

- www.proxyvote.com

2)  BY TELEPHONE

- 1-800-579-1639

3)  BY E-MAIL*

- sendmaterial@proxyvote.com

 


*If requesting material by e-mail, please send a blank e-mail with the 12 Digit Control Number (located on the following page) in the subject line.

 

See the Reverse Side for Meeting Information and Instructions on How to Vote

R1SNI1

 


 

Meeting Information

 

Meeting Type:

 

Annual

Meeting Date:

 

06/20/08

Meeting Time:

 

9:00 A.M. EDT

For holders as of:

 

04/24/08

 

Meeting Location:

 

The Westford Regency Inn and Conference Center
219 Littleton Road
Westford, MA 01886

 

Meeting Directions:

 

For Meeting Directions Please Call: 800-543-7801 or visit: http://www.westfordregency.com/Directions/index.html

 

How To Vote

 

Vote In Person

 

A copy of your proxy card and picture identification will be required to enter the meeting. At the meeting you will need to request a ballot to vote these shares.

 

Vote By Internet

 

To vote now by Internet, go to WWW.PROXYVOTE.COM.
Use the Internet to transmit your voting instructions and for electronic delivery of information up until 11:59 P.M. Eastern Time the day before the meeting date. Have your notice in hand when you access the web site and follow the instructions.

 

THIS IS NOT A PROXY CARD.

R1SNI2

 


 

Voting items

 

1.     To elect 3 directors:

 

Nominees:

 

01)  Hassan M. Ahmed

02)  John P. Cunningham

03)  Paul J. Severino

 

2.     To ratify the appointment of Deloitte & Touche LLP as Sonus’ independent registered public accounting firm for the fiscal year ending December 31, 2008.

 

In their discretion, the proxy holders are authorized to vote upon other business, if any, that may properly come before the meeting and any adjournments thereof.

 

The Board of Directors recommends a vote “FOR” the election of each of the nominees to the Board (Proposal 1) and “FOR” the ratification of the appointment of Deloitte & Touche LLP as Sonus’ independent registered public accounting firm for the fiscal year ending December 31, 2008 (Proposal 2).

 

R1SNI3