EXCEL SWITCHING CORPORATION --------------------------- NON-QUALIFIED STOCK OPTION AGREEMENT ------------------------------------Non-Qualified Stock Option Agreement • May 4th, 1998 • Excel Switching Corp • Communications equipment, nec • Massachusetts
Exhibit 4.9 EXCEL SWITCHING CORPORATION INCENTIVE STOCK OPTION AGREEMENT -------------------------------- Excel Switching Corporation, a Massachusetts corporation (the "Company"), hereby grants as of [DATE] to [NAME OF EMPLOYEE] (the "Employee"), an...Incentive Stock Option Agreement • May 4th, 1998 • Excel Switching Corp • Communications equipment, nec
Exhibit 4.10 EXCEL SWITCHING CORPORATION Non-Qualified Stock Option Agreement for Non-Employee Directors --------------------------------------------------------------- Excel Switching Corporation, a Massachusetts corporation (the "Company"), hereby...Non-Qualified Stock Option Agreement • May 4th, 1998 • Excel Switching Corp • Communications equipment, nec • Massachusetts
