**EXHIBIT 21.1**

**SUBSIDIARIES OF PTEKHOLDINGS, INC.**

  

| **SUBSIDIARY**                                 |   | **JURISDICTION OF ORGANIZATION** |
|------------------------------------------------|--------|----------------------------------|
|                                                |   |                                  |
| American Teleconferencing Services, Ltd.       |   | Missouri                         |
| Comwave UK, Ltd.                               |   | United Kingdom                   |
| Connaught Commercial Services Limited          |   | United Kingdom                   |
| EBIS Communications, Inc.                      |   | Georgia                          |
| Intellivoice Communications, LLC               |   | Delaware                         |
| PCI Acquisition Corp.                          |   | Georgia                          |
| Premiere Communications, Inc.                  |   | Florida                          |
| 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 GmbH                     |   | Germany                          |
| Premiere Conferencing Limited                  |   | New Zealand                      |
| Premiere Conferencing Pte. Ltd.                |   | Singapore                        |
| Premiere Conferencing Pty Limited              |   | Australia                        |
| Premiere Technologies (United Kingdom) Limited |   | United Kingdom                   |
| PTEK Communications Limited                    |   | United Kingdom                   |
| Ptek Investors I LLC                           |   | Delaware                         |
| PTEK Services, Inc.                            |   | Delaware                         |
| Ptek Ventures I LLC                            |   | Delaware                         |
| Ptek, Inc.                                     |   | Georgia                          |
| Swift Global Communications (HK) Limited       |   | Hong Kong                        |
| Swift Global Communications, Inc.              |   | Delaware                         |
| Swift Global International Ltd.                |   | New York                         |
| Transmit International Limited                 |   | United Kingdom                   |
| ViTel Bureau Services Limited                  |   | United Kingdom                   |
| ViTel Limited                                  |   | United Kingdom                   |
| Voice-Tel Enterprises, LLC                     |   | Delaware                         |
| Voice-Tel of Canada Ltd.                       |   | Canada                           |
| Voice-Tel of New Zealand Limited               |   | New Zealand                      |
| Voice-Tel Pty Ltd.                             |   | Australia                        |
| Xpedite Communications and Data Services GmbH  |   | Austria                          |
| Xpedite IN Services GmbH                       |   | Germany                          |
| Xpedite Ltd.                                   |   | Korea                            |
| Xpedite Systems (Malaysia) Sdn. Bhd.           |   | Malaysia                         |
| Xpedite Systems AG                             |   | Switzerland                      |
| Xpedite Systems Canada, Inc.                   |   | Canada                           |
| Xpedite Systems Finance S.N.C.                 |   | France                           |
| Xpedite Systems GmbH                           |   | Germany                          |
| Xpedite Systems Holdings (UK) Limited          |   | United Kingdom                   |
| Xpedite Systems Holdings GmbH                  |   | Germany                          |
| Xpedite Systems Holdings S.A.R.L.              |   | France                           |
| Xpedite Systems Limited                        |   | New Zealand                      |
| Xpedite Systems Limited                        |   | England                          |
| Xpedite Limited                                |   | Hong Kong                        |
| Xpedite Systems NV/SA                          |   | Belgium                          |
| Xpedite Systems Participation E.U.R.L.         |   | France                           |

 

**SUBSIDIARIES OF PTEK HOLDINGS, INC.****(Continued)**

  

**SUBSIDIARY**

 

**JURISDICTION OF ORGANIZATION**

 

Xpedite Systems Pte. Ltd.

 

Singapore

Xpedite Systems Pty Limited

 

Australia

Xpedite Systems S.r.l.

 

Italy

Xpedite Systems Spain, S.A.

 

Spain

Xpedite Systems Worldwide, Inc.

 

Delaware

Xpedite Systems, Inc.

 

Delaware

Xpedite Systems, S.A.

 

France

Xpedite, Inc.

 

Japan