Exhibit 2.1 AGREEMENT AND PLAN OF MERGER AND REORGANIZATION This Agreement and Plan of Merger and Reorganization (this "AGREEMENT"), dated as of November 2, 2000, is by and among Sonus Networks, Inc., a Delaware corporation ("BUYER"); Storm Merger...Merger Agreement • November 17th, 2000 • Sonus Networks Inc • Services-computer integrated systems design • Delaware
VOTING AGREEMENTVoting Agreement • November 17th, 2000 • Sonus Networks Inc • Services-computer integrated systems design • Delaware
