ALTIGEN COMMUNICATIONS INC S-1

S-1

FORM S-1

EX-3.1

CERTIFICATE OF INCORPORATION

EX-3.3

BYLAWS

EX-4.3

THIRD AMENDED AND RESTATED RIGHTS AGREEMENT

EX-10.2

1994 STOCK OPTION PLAN AS AMENDED

EX-10.3

1998 STOCK PURCHASE PLAN

EX-10.4

1999 STOCK OPTION PLAN AS AMENDED

EX-10.6

SUBLEASE AND CONSENT TO SUBLEASE

EX-10.7

SUB-SUBLEASE AND CONSENT TO SUB-SUBLEASE

EX-10.8

DEALER AGREEMENT AND ADDENDUM

EX-10.9

DISTRIBUTOR AGREEMENT

EX-10.10

DISTRIBUTION AGREEMENT DATED APRIL 21, 1997

EX-10.11

DISTRIBUTION AGREEMENT DATED NOVEMBER 3, 1997

EX-10.12

OEM LICENSE AGREEMENT DATED MAY 1998

EX-10.13

SERVICES AGREEMENT DATED JUNE 2, 1998

EX-10.14

DISTRIBUTION AGREEMENT DATED JUNE 12, 1998

EX-10.15

CONTRACT PURCHASE AGREEMENT

EX-10.16

SOFTWARE LICENSE AND BINARY DISTRIBUTION

EX-10.17

CONSULTING AND DEVELOPMENT AGREEMENT

EX-10.18

EMPLOYMENT AGREEMENT

EX-23.2

CONSENT OF ARTHUR ANDERSON LLP

EX-27.1

FINANCIAL DATA SCHEDULE