Addendum No. 2 to Standard Purchase and License Terms between Neutral Tandem, Inc. and Sonus Networks, Inc.

Summary

This addendum, dated August 17, 2006, is an amendment to the existing Standard Purchase and License Terms agreement between Neutral Tandem, Inc. and Sonus Networks, Inc. It confirms that all future purchases of products and services by Neutral Tandem from Sonus will be governed by the original agreement, as amended. In case of any conflict between this addendum and the original agreement, the terms of this addendum will take precedence.

EX-10.55 12 dex1055.htm ADDENDUM NO. 2 TO STANDARD PURCHASE AND LICENSE TERMS Addendum No. 2 to Standard Purchase and License Terms

EXHIBIT 10.55

ADDENDUM NO. 2 TO STANDARD PURCHASE AND LICENSE TERMS

Addendum No. 2 dated as of August 17, 2006, between Neutral Tandem, Inc. (“Customer”) and Sonus Networks, Inc. (“Sonus”), to the Standard Purchase and License Terms, dated January 10, 2005, as amended (the “Agreement”).

The parties agree as follows:

1. The parties acknowledge that the Agreement governs all purchases of Products and Services by Customer from Sonus pursuant to purchase orders issued by Customer.

2. The Agreement shall govern all purchases of Products and Services by Customer from Sonus pursuant to purchase orders to be issued by Customer following the date of this Addendum.

3. Capitalized terms used in this Addendum but not defined herein will have the respective meanings ascribed to such terms in the Agreement. In the event of any conflict between the terms of this Addendum and the terms of the Agreement, this Amendment shall control.

 

NEUTRAL TANDEM, INC.     SONUS NETWORKS, INC.
By:   /s/ Rian Wren     By:   /s/ Charles J. Gray
Name:   Rian Wren     Name:   Charles J. Gray
Title:   President and CEO     Title:   VP and General Counsel
Date:   8/17/2006     Date:   8/18/06