| Exhibit 21.1 |
| Subsidiaries of the Registrant |
| |
| Subsidiary | | State |
| eGlobalphone, Inc | | Florida |
| VoIP Solutions, Inc. | | Florida |
| VoIP Americas, Inc. | | Florida |
| Caerus, Inc. | | Delaware |
| VoiceOne Communications, LLC | | Delaware |
| Caerus Networks, Inc. | | Delaware |
| Caerus Billing and Mediation, Inc. | | Delaware |
| Volo Communications, Inc. | | Delaware |
| Volo Communications Carrier Services, Inc | | Delaware |
| Volo Communications of Washington, D.C., Inc. | | Delaware |
| Volo Communications of Massachusetts, Inc. | | Delaware |
| Volo Communications of New York, Inc. | | Delaware |
| Volo Communications of Rhode Island, Inc. | | Delaware |
| Volo Communications of California, Inc. | | Delaware |
| Volo Communications of Florida, Inc., dba Volo | | |
| Communications Group of Florida, Inc. | | Delaware |
| Volo Communications of Virginia, Inc. | | Delaware |
| Volo Communications of Colorado, Inc. | | Delaware |
| Volo Communications of Georgia, Inc. | | Delaware |
| Volo Communications of Illinois, Inc. | | Delaware |
| Volo Communications of Arizona, Inc. | | Delaware |
| Volo Communications of Connecticut, Inc. | | Delaware |
| Volo Communications of Delaware, Inc. | | Delaware |
| Volo Communications of Idaho, Inc. | | Delaware |
| Volo Communications of Indiana, Inc. | | Delaware |
| Volo Communications of Maryland, Inc. | | Delaware |
| Volo Communications of Michigan, Inc. | | Delaware |
| Volo Communications of Nevada, Inc. | | Delaware |
| Volo Communications of New Hampshire, Inc. | | Delaware |
| Volo Communications of New Jersey, Inc. | | Delaware |
| Volo Communications of North Carolina, Inc. | | Delaware |
| Volo Communications of Ohio, Inc. | | Delaware |
| Volo Communications of Pennsylvania, Inc. | | Delaware |
| Volo Communications of South Carolina, Inc. | | Delaware |
| Volo Communications of Texas, Inc. | | Delaware |
| Volo Communications of Vermont, Inc. | | Delaware |
| Volo Communications of Wisconsin, Inc. | | Delaware |
