| BuddyTalk by InnoMedia | | A 4-in-1 Internet voice communication tool for staying in touch with associates while online. Provides downloads of free software. |
| Callwave | | Internet Answering Machine software uses Busy Call Forwarding to answer and record callers messages while you are on-line. |
| Internet Call Manager | | An easy and inexpensive way to stay on-line as long as you want and never miss a phone call. |
| Pagoo | | Answer calls and make long distance phone calls while online. |
| Paltalk | | Operates with different chat systems such as ICQ and AIM, and enables live video calls. [Windows] |
| PC-Telephone | | Make free pc-to-pc and cheap pc-to-phone and pc-to-fax calls over the Internet and ISDN/PSTN telephone networks. Use your computer as internet telephone, ISDN phone, answer phone, caller id, fax software and voicemail client. |
| VocalTec | | Enables voice and multimedia communications over packetized networks, the Internet and intranets. |
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