Exhibit 21 to 2010 10-Q

Convergys Corporation Direct and Indirect Subsidiaries

As of 3/31/2010



|                                                                 |  |                          
|---------------------------------------------------------------- |  | -------------------------
|Entity Name                                                      |  | Jurisdiction             
|Convergys Corporation                                            |  | Ohio                     
|Convergys Information Management Group Inc.                      |  | Ohio                     
|Convergys CMG Utah Inc. (15%)                                    |  | Utah                     
|Convergys EMEA Limited                                           |  | United Kingdom           
|Convergys IMG Ltd                                                |  | United Kingdom           
|Convergys Egypt LLC (1%)                                         |  | Egypt                    
|Convergys Egypt LLC (99%)                                        |  | Egypt                    
|Convergys IMG International Services Inc.                        |  | Ohio                     
|Convergys IMG do Brasil Ltda (1%)                                |  | Brazil                   
|Convergys Information Management (India) Private Limited (1%)    |  | India                    
|Convergys Hungary Services LLC (3.33%)                           |  | Hungary                  
|Convergys Mexico S. de R. L. de C. V. (1%)                       |  | Mexico                   
|Convergys IMG do Brasil Ltda (99%)                               |  | Brazil                   
|Convergys Information Management Group (Singapore) Pte. Ltd      |  | Singapore                
|Shanghai Hong Xun Software Co., Ltd.                             |  | Peoples Republic of China
|Shanghai Hong Xun Information Technology Co., Ltd.               |  | Peoples Republic of China
|Convergys Singapore Operations Pte. Ltd. (74%)                   |  | Singapore                
|Convergys Singapore Pte. Ltd.                                    |  | Singapore                
|Convergys HR Management Singapore Pte. Ltd.                      |  | Singapore                
|Convergys HR Management (Thailand) Co. Ltd.                      |  | Thailand                 
|Convergys HR Management Malaysia Sdn Bhd                         |  | Malaysia                 
|Convergys Benefits Pte. Ltd.                                     |  | Singapore                
|Convergys Benefits HK Limited                                    |  | Hong Kong                
|Convergys Benefits (M) Sdn. Bhd.                                 |  | Malaysia                 
|Convergys Cyprus Limited                                         |  | Cyprus                   
|Nodisko Trading Limited                                          |  | Cyprus                   
|Rosas Limited                                                    |  | Cyprus                   
|Nodisko Outsourcing Company Private Limited (0.01%)              |  | India                    
|Nodisko Outsourcing Company Private Limited (99.99%)             |  | India                    
|Convergys Services Japan K.K.                                    |  | Japan                    
|Convergys Cellular Systems Company                               |  | Ohio                     
|Convergys France SAS                                             |  | France                   
|Convergys Germany GmbH                                           |  | Germany                  
|Convergys Hong Kong Limited                                      |  | Hong Kong                
|Convergys Hungary Services LLC (96.67%)                          |  | Hungary                  
|Convergys IMG Australia Pty Ltd (99.98%)                         |  | Australia                
|Convergys IMG International Inc.                                 |  | Ohio                     
|Convergys IMG Australia Pty Ltd (0.02%)                          |  | Australia                
|Convergys CIS (LLC) (1%)                                         |  | Russia                   
|PT. Convergys Indonesia (1%)                                     |  | Indonesia                
|Convergys IMG Spain, S.L.                                        |  | Spain                    
|Convergys Information Management (India) Private Limited (99%)   |  | India                    
|Convergys Information Management Services Limited                |  | Korea                    
|Convergys Mexico S. de R. L. de C. V. (99%)                      |  | Mexico                   
|Convergys Solucoes Informaticas, Unipessoal, LTDA                |  | Portugal                 
|Convergys (Thailand) Co., Ltd.                                   |  | Thailand                 
|Convergys CIS (LLC) (99%)                                        |  | Russia                   
|PT. Convergys Indonesia (99%)                                    |  | Indonesia                
|Convergys Customer Management Group Inc.                         |  | Ohio                     
|Convergys EC Inc.                                                |  | Ohio                     
|Convergys Funding Inc.                                           |  | Kentucky                 
|Convergys Customer Management Colombia S.A.S.                    |  | Colombia                 
|Convergys Customer Management Mexico S. de R.L. de C.V. (99%)    |  | Mexico                   
|Convergys Employee Care Argentina S.R.L. (90%)                   |  | Argentina                
|Convergys Employee Care Colombia Limitada (99%)                  |  | Colombia                 
|Convergys Employee Care Puerto Rico, LLC                         |  | Puerto Rico              
|Convergys India Services Private Limited (99%)                   |  | India                    
|Convergys International Solutions (Mauritius) Limited            |  | Mauritius                
|Convergys Singapore Operations Pte. Ltd. (26%)                   |  | Singapore                
|Convergys Philippines Services Corporation                       |  | Philippines              
|Convergys Singapore Holdings Pte. Ltd.                           |  | Singapore                
|Encore Receivable Management, Inc.                               |  | Kansas                   
|Finali Corporation                                               |  | Delaware                 
|Convergys Learning Solutions Inc.                                |  | Delaware                 
|Learning Byte International, Inc                                 |  | Ohio                     
|DigitalThink (India) Pvt. Ltd.                                   |  | India                    
|Convergys Customer Management Group Canada Holding Inc. (0.16%)  |  | Delaware                 
|Horn Interactive Inc.                                            |  | Ohio                     
|Convergys Customer Management Belgium SA (0.04%)                 |  | Belgium                  
|Convergys Customer Management International Inc.                 |  | Ohio                     
|Convergys Employee Care Argentina S.R.L. (10%)                   |  | Argentina                
|Convergys Employee Care Colombia Limitada (1%)                   |  | Colombia                 
|Convergys Korea Limited (51%)                                    |  | Korea                    
|Convergys CMG UK Limited                                         |  | United Kingdom           
|Convergys Customer Management AG                                 |  | Switzerland              
|Convergys Customer Management Belgium SA (99.96%)                |  | Belgium                  
|Convergys Customer Management Italy SRL                          |  | Italy                    
|Convergys Customer Management Mexico S. de R.L. de C.V. (1%)     |  | Mexico                   
|Convergys Customer Management Netherlands B.V.                   |  | Netherlands              
|Convergys Services Denmark ApS                                   |  | Denmark                  
|Convergys Customer Management Group Canada Holding Inc. (99.84%) |  | Delaware                 
|CCM Limited Partner ULC                                          |  | Nova Scotia, Canada      
|Convergys CMG Canada Limited Partnership (99% LP)                |  | Manitoba, Canada         
|Convergys New Brunswick, Inc.                                    |  | New Brunswick, Canada    
|Convergys CMG Canada Limited Partnership (1% GP)                 |  | Manitoba, Canada         
|Convergys Customer Management Delaware LLC                       |  | Delaware                 
|Convergys CMG Utah Inc. (85%)                                    |  | Utah                     
|Convergys Broadband Asia Pte. Ltd.                               |  | Singapore                
|Convergys Broadband Japan K.K.                                   |  | Japan                    
|Convergys Broadband Taiwan Limited                               |  | Taiwan                   
|Convergys Israel Investments, Ltd.                               |  | Israel                   
|Convergys Solutions Ltd.                                         |  | Israel                   
|Convergys CSL Danismanlik Hizmetleri Limited Sirketi (99%)       |  | Turkey                   
|Convergys Solutions Australia Pty Ltd.                           |  | Australia                
|SATTEC Solutions Pty Ltd.                                        |  | Australia                
|Convergys CSL Danismanlik Hizmetleri Limited Sirketi (1%)        |  | Turkey                   
|Asset Ohio Fourth Street LLC                                     |  | Ohio                     
|Convergys Finance Corp.                                          |  | Ohio                     



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Convergys Corporation Direct and Indirect Subsidiaries

As of 3/31/2010



|                                                                   |  |                          
|------------------------------------------------------------------ |  | -------------------------
|Entity Name                                                        |  | Jurisdiction             
|Convergys Government Solutions LLC                                 |  | Ohio                     
|Convergys India Services Private Limited (1%)                      |  | India                    
|Convergys Information Technology Services (Dalian) Co., Ltd.       |  | Dalian, China            
|Convergys Software Service (Beijing) Ltd.                          |  | Peoples Republic of China
|Intervoice, Inc.                                                   |  | Texas                    
|Edify LLC                                                          |  | Delaware                 
|Edify Ireland Limited                                              |  | Ireland                  
|Edify Holding Company, Inc.                                        |  | Delaware                 
|Intervoice-Brite Inc.                                              |  | Texas                    
|Intervoice GP, Inc.                                                |  | Nevada                   
|Intervoice Limited Partnership (1%)                                |  | Nevada                   
|Intervoice LP, Inc.                                                |  | Nevada                   
|Intervoice Limited Partnership (99%)                               |  | Nevada                   
|Intervoice Acquisition Subsidiary II, Inc.                         |  | Nevada                   
|Intervoice Acquisition Subsidiary, Inc.                            |  | Nevada                   
|Intervoice Colombia Ltda. (6%)                                     |  | Columbia                 
|Intervoice do Brasil Comerico Servicos e Partipacoes Ltda. (0.1%)  |  | Brazil                   
|Intervoice Colombia Ltda. (94%)                                    |  | Columbia                 
|Intervoice do Brasil Comerico Servicos e Partipacoes Ltda. (99.9%) |  | Brazil                   
|Brite Voice Systems, Inc.                                          |  | Kansas                   
|Intervoice AG                                                      |  | Switzerland              
|Intervoice Pte Ltd.                                                |  | Singapore                
|Intervoice Brite (Pty) Ltd.                                        |  | South Africa             
|BVSI, Inc.                                                         |  | Delaware                 
|Intervoice Limited                                                 |  | United Kingdom           
|Intervoice GmbH                                                    |  | Germany                  
|Ceon Corporation                                                   |  | California               
|Ceon International Corporation                                     |  | Delaware                 



| | All subsidiaries conduct business under their legal name.
|- | ---------------------------------------------------------