EXHIBIT 21.1



SUBSIDIARIES OF PREMIERE GLOBAL SERVICES, INC.



|                                                  |  |                            
|------------------------------------------------- |  | ---------------------------
|SUBSIDIARY                                        |  | JURISDICTION OFORGANIZATION
|American Teleconferencing Services, Ltd.          |  | Missouri                   
|CCS ConferenceCallService GmbH                    |  | Germany                    
|Clarinet, Inc.                                    |  | Georgia                    
|Communications Network Enhancement Inc.           |  | Delaware                   
|Comwave UK, Ltd.                                  |  | United Kingdom             
|Fastwell Technology Limited                       |  | Hong Kong                  
|I-Media SA                                        |  | France                     
|I-Media CR SAS                                    |  | France                     
|I-Media Comunicacion Electronica, S.A.            |  | Spain                      
|Intellivoice Communications, LLC                  |  | Delaware                   
|Premiere Communications, Inc.                     |  | Florida                    
|PCI Network Services, Inc.                        |  | Georgia                    
|Premiere Conferencing E.U.R.L.                    |  | France                     
|Premiere Conferencing GmbH                        |  | Germany                    
|Premiere Conferencing Limited                     |  | New Zealand                
|Premiere Conferencing Pte. Ltd.                   |  | Singapore                  
|Premiere Conferencing Pty Limited                 |  | Australia                  
|Premiere Conferencing (Canada) Limited            |  | Canada                     
|Premiere Conferencing (Hong Kong) Limited         |  | Hong Kong                  
|Premiere Conferencing (Ireland) Limited           |  | Ireland                    
|Premiere Conferencing (Japan), Inc.               |  | Japan                      
|Premiere Conferencing (UK) Limited                |  | United Kingdom             
|Premiere Conferencing Networks, Inc.              |  | Georgia                    
|Ptek, Inc.                                        |  | Georgia                    
|Ptek Investors I LLC                              |  | Delaware                   
|PTEK Services, Inc.                               |  | Delaware                   
|Ptek Ventures I LLC                               |  | Delaware                   
|RCI Acquisition Corp.                             |  | Georgia                    
|SaveOnConferences.Co.Uk Limited                   |  | United Kingdom             
|SaveOnConferences.De GmbH                         |  | Germany                    
|Unimontis AG                                      |  | Switzerland                
|Unimontis M&C AG                                  |  | Switzerland                
|Unimontis GmbH                                    |  | Germany                    
|Voice-Tel Enterprises, LLC                        |  | Delaware                   
|Voice-Tel of New Zealand Limited                  |  | New Zealand                
|Voice-Tel Pty Ltd.                                |  | Australia                  
|Xpedite, Inc.                                     |  | Japan                      
|Xpedite I.N. Services GmbH                        |  | Germany                    
|Xpedite Ltd.                                      |  | Korea                      
|Xpedite Systems Limited                           |  | Hong Kong                  
|Xpedite Network Services, Inc.                    |  | Georgia                    
|Xpedite Systems Incorporated (Malaysia) Sdn. Bhd. |  | Malaysia                   
|Xpedite Systems AG                                |  | Switzerland                
|Xpedite Systems Canada, Inc.                      |  | Canada                     
|Xpedite Systems GmbH                              |  | Germany                    
|Xpedite Systems Holdings (UK) Limited             |  | United Kingdom             
|Xpedite Holding GmbH                              |  | Germany                    
|Xpedite Systems, Inc.                             |  | Delaware                   
|Xpedite Systems Limited                           |  | New Zealand                
|Xpedite Systems Limited                           |  | United Kingdom             
|Xpedite Systems NV/SA                             |  | Belgium                    
|Xpedite Systems Participation E.U.R.L.            |  | France                     



---

|                                |  |                            
|------------------------------- |  | ---------------------------
|SUBSIDIARY                      |  | JURISDICTION OFORGANIZATION
|Xpedite Systems Pte. Ltd.       |  | Singapore                  
|Xpedite Systems Pty Limited     |  | Australia                  
|Xpedite Systems S.r.l.          |  | Italy                      
|Xpedite Systems Spain, S.A.     |  | Spain                      
|Xpedite Systems, S.A.           |  | France                     
|Xpedite Systems Worldwide, Inc. |  | Delaware