Exhibit 4.4Non-Qualified Stock Option Agreement • July 23rd, 1999 • Excel Switching Corp • Communications equipment, nec • Massachusetts
Contract Type FiledJuly 23rd, 1999 Company Industry Jurisdiction
Exhibit 4.4Non-Qualified Stock Option Agreement • July 23rd, 1999 • Excel Switching Corp • Communications equipment, nec • Massachusetts
Contract Type FiledJuly 23rd, 1999 Company Industry Jurisdiction