Exhibit 21.1
| Subsidiary Name | Jurisdiction | Type | ||||||
| ART Advanced Recognition Technologies, Inc. | Delaware | Domestic | ||||||
| Caere Corporation | Delaware | Domestic | ||||||
| Dictaphone Corporation | Delaware | Domestic | ||||||
| eScription, Inc. | Delaware | Domestic | ||||||
| eCopy, LLC. | Delaware | Domestic | ||||||
| Focus Infomatics, Inc. | Delaware | Domestic | ||||||
| Keisense, Inc. | Delaware | Domestic | ||||||
| Language and Computing Inc. | Delaware | Domestic | ||||||
| Locus Dialogue Technologies USA, Inc. | Delaware | Domestic | ||||||
| MacSpeech LLC | Delaware | Domestic | ||||||
| Medford Acquisition LLC | Delaware | Domestic | ||||||
| Nuance Communications International, Inc. | Delaware | Domestic | ||||||
| Nuance Communications LLC | Delaware | Domestic | ||||||
| Nuance Services, Inc. | Delaware | Domestic | ||||||
| OSi LLC | Delaware | Domestic | ||||||
| Phonetic Systems Inc. | Delaware | Domestic | ||||||
| Rhetorical, Inc. | Delaware | Domestic | ||||||
| SNAPin Software LLC | Delaware | Domestic | ||||||
| SpeechWorks International, Inc. | Delaware | Domestic | ||||||
| SpinVox Incorporated | Delaware | Domestic | ||||||
| Viecore LLC | Delaware | Domestic | ||||||
| Viecore Federal Systems Division, Inc. | Delaware | Domestic | ||||||
| Voice Signal Technologies, Inc. | Delaware | Domestic | ||||||
| X-Solutions North America Inc. | Delaware | Domestic | ||||||
| Zi Holding Corporation | Delaware | Domestic | ||||||
| Zi Corporation of America, Inc. | Nevada | Domestic | ||||||
| Tegic Communications, Inc. | Washington | Domestic | ||||||
| Encompass Medical Transcription, Inc. | Wisconsin | Domestic | ||||||
| Nuance Communications Australia Pty. Ltd. | Australia | International | ||||||
| ITA Services Pty Ltd. | Australia | International | ||||||
| Information Technologies Australia Pty Ltd. | Australia | International | ||||||
| OTE Pty Limited | Australia | International | ||||||
| Nuance Communications Austria GmbH | Austria | International | ||||||
| SpeechMagic Holdings GmbH | Austria | International | ||||||
| Multi-Corp International Ltd. | Barbados | International | ||||||
| Language and Computing N.V. | Belgium | International | ||||||
| Nuance Communications International BVBA | Belgium | International | ||||||
| Zi (Bermuda) Corporation | Bermuda | International | ||||||
| Nuance Communications Ltd. | Brazil | International | ||||||
| BlueStar Options Inc. | British Virgin Islands | International | ||||||
| BlueStar Resources Limited | British Virgin Islands | International | ||||||
| SpeechWorks BVI Ltd. | British Virgin Islands | International | ||||||
| 845162 Alberta Ltd. | Canada | International | ||||||
| 1448451 Ontario Inc. | Canada | International | ||||||
| Nuance Acquisition ULC | Canada | International | ||||||
| Nuance Communications Canada, Inc. | Canada | International | ||||||
| Zi Corporation | Canada | International | ||||||
| Zi Corporation of Canada, Inc. | Canada | International | ||||||
| Subsidiary Name | Jurisdiction | Type | ||||||
| Foxtrot Acquisition II Limited | Cayman Islands | International | ||||||
| Foxtrot Acquisition Limited | Cayman Islands | International | ||||||
| Huayu Zi Software Technology (Beijing) Co., Ltd. | China | International | ||||||
| Nuance Software Technology (Beijing) Co., Ltd. | China | International | ||||||
| Nuance Communications Finland OY | Finland | International | ||||||
| Voice Signal Technologies Europe OY | Finland | International | ||||||
| Nuance Communications France Sarl | France | International | ||||||
| Dictaphone Deutschland GmbH | Germany | International | ||||||
| Nuance Communications Aachen GmbH | Germany | International | ||||||
| Nuance Communications Germany GmbH | Germany | International | ||||||
| Nuance Communications Healthcare Germany GmbH | Germany | International | ||||||
| Asia Translation & Telecommunications Limited | Hong Kong SAR | International | ||||||
| Huayu Zi Software Technology Limited | Hong Kong SAR | International | ||||||
| Telecom Technology Corporation Limited | Hong Kong SAR | International | ||||||
| Zi Corporation (H.K.) Limited | Hong Kong SAR | International | ||||||
| Zi Corporation of Hong Kong Limited | Hong Kong SAR | International | ||||||
| Nuance Communications Hong Kong Limited | Hong Kong SAR | International | ||||||
| Nuance Recognita Corp. | Hungary | International | ||||||
| FocusMT India Private Limited | India | International | ||||||
| Nuance India Pvt. Ltd. | India | International | ||||||
| Nuance Communications Israel, Ltd. | Israel | International | ||||||
| Phonetic Systems Ltd. | Israel | International | ||||||
| Nuance Communications Italy Srl | Italy | International | ||||||
| Nuance Communications Japan K.K. | Japan | International | ||||||
| Voice Signal K.K. | Japan | International | ||||||
| Nuance Communications Netherlands B.V. | Netherlands | International | ||||||
| X-Solutions Group B.V. | Netherlands | International | ||||||
| X-Solutions International B.V. | Netherlands | International | ||||||
| Zeros Solutions B.V. | Netherlands | International | ||||||
| Aangel Processing Limited | New Zealand | International | ||||||
| Casseggers Holdings Limited | New Zealand | International | ||||||
| Rhetorical Group plc. | Scotland | International | ||||||
| Rhetorical Systems Limited | Scotland | International | ||||||
| Nuance Communications Asia Pacific Pte. Ltd. | Singapore | International | ||||||
| Nuance Communications Iberica SA | Spain | International | ||||||
| Nuance Communications Korea Ltd. | South Korea | International | ||||||
| Nuance Communications Sweden, A.B. | Sweden | International | ||||||
| Zi Decuma AB | Sweden | International | ||||||
| Nuance Communications Taiwan | Taiwan | International | ||||||
| Dictaphone Company Limited | United Kingdom | International | ||||||
| Dictaphone International Limited | United Kingdom | International | ||||||
| eCopy Ltd. | United Kingdom | International | ||||||
| Nuance Communications UK Limited | United Kingdom | International | ||||||
| SpinVox Limited | United Kingdom | International | ||||||