| Internet Telephony Service Providers in India (As on 31. March 2004) |
| Name of ISPs |
| Apna Telelink Pvt. Ltd. |
| Asianet Stellite Communications Ltd/. |
| BG Broadband India Pvt. Ltd. |
| Bharti Broadband Network Ltd. |
| Bharat Sanchar Nigam Limited |
| City Online Services Pvt. Ltd. |
| Data Infosys Ltd. |
| Data Link Impex Pvt. Ltd. |
| Digital2 Virtual SP Pvt. Ltd. |
| Dishnet DSL Ltd. |
| Estel Communications Pvt. Ltd. |
| Gateway Systems (I) Pvt. Ltd. |
| Growth Compusoft Exports Ltd. |
| GTL Limited |
| Hathway Cable and Datacom Pvt. Ltd. |
| HCL Infinet Ltd. |
| Icenet.net Limited |
| In2Cable.Com(India) Ltd. |
| iServe India Solutions Pvt. Ltd. |
| Jain Infonet Pvt. Ltd. |
| Karuturi Networks Ltd. |
| Mahanagar Telephone Nigam Limited |
| Narmada Cyberzone Pvt. Ltd. |
| NetMagic Solutions (P) Ltd. |
| Nettlinx Ltd. |
| Online Media Solution Ltd. |
| Opto network Pvt. Ltd. |
| Ortel Communications Ltd. |
| PBC Venutres Ltd. |
| Primus Telecommunication India Ltd. |
| Rolta India Limited |
| SAB Infotech Pvt. Ltd. |
| Seven Star Dot Com |
| Sify Ltd. |
| Southern Online Services Ltd. |
| Surana Telecom Ltd. |
| Swiftmail Communications Ltd. |
| Trak Online Net India Pvt. Ltd. |
| Trikon electronics Pvt. Ltd. |
| Value Healthcare Ltd. |
| Videsh Sanchar Nigam Limited |
| Wilnet Communications Pvt. Ltd. |
| World Phone Internet Services (P) Ltd. |
