Exhibit 21

SUBSIDIARIES OF THE REGISTRANT

Openwave Systems Argentina S.R.L.	Argentina
Openwave Systems Brasil Ltda	Brazil
Openwave Systems (Canada) Ltd.	Canada
Openwave Systems (Denmark) ApS	Denmark
Openwave Systems (France) SAS	France
Openwave Systems Deutschland GmbH	Germany
Openwave Systems (H.K.) Ltd.	Hong Kong
Openwave Systems (Italia) SRL	Italy
Openwave Systems Japan KK	Japan
Openwave Systems Co. Ltd.	Korea
Openwave Systems (Mexico) S. de R.L. de C.V.	Mexico
Openwave Systems B.V.	Netherlands
Ardros Contractors Ltd.	Northern Ireland
Openwave Systems (Ireland) Ltd.	Northern Ireland
Openwave Systems (NI) Ltd.	Northern Ireland
Openwave Systems (ROI) Ltd.	Republic of Ireland
Openwave Systems (Singapore) Pte Ltd.	Singapore
Openwave Systems (Holdings) Ltd.	United Kingdom
Openwave Systems (Europe) Ltd.	United Kingdom
Openwave Systems International, Inc.	United States
Openwave Technologies Inc. (FKA Software.com, Inc.)	United States
Paragon Software, Inc.	United States
Openwave ScriptEase Inc.	United States
Openwave Systems China Holding Inc.	United States
SignalSoft Corporation	United States
Openwave Systems (Sweden) AB	Sweden
Mobile Position AB	Sweden
Openwave Systems (Espana) S.L.	Spain
Openwave Systems (Switzerland) Sarl	Switzerland
Openwave Systems Pty Ltd.	Australia
Openwave Systems Taiwan Ltd.	Taiwan
Openwave Systems Service India Private Ltd.	India