1 EXHIBIT 4 STOCK OPTION AGREEMENT THIS STOCK OPTION AGREEMENT (the "Agreement"), dated as of November 9, 2000, by and between Cisco Systems, Inc., a California corporation ("Parent"), and Active Voice Corporation, a Washington corporation...Stock Option Agreement • November 16th, 2000 • Cisco Systems Inc • Computer communications equipment • California
1 EXHIBIT 2 ASSET PURCHASE AGREEMENTAsset Purchase Agreement • November 16th, 2000 • Cisco Systems Inc • Computer communications equipment • California
RECITALS:Stockholder Agreement • November 16th, 2000 • Cisco Systems Inc • Computer communications equipment • Delaware
1 EXHIBIT 1 AGREEMENT AND PLAN OF MERGER AND REORGANIZATIONAgreement and Plan of Merger and Reorganization • November 16th, 2000 • Cisco Systems Inc • Computer communications equipment • Delaware
