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Skype - http://skype.com
Peer to peer internet voice service. Mac, Windows and Linux versions available. Users may call landlines and cellphones for a fee; users may call each other for free. |
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VocalTec - http://www.vocaltec.com/
Providers of integrated communication solutions, including software to allow web-page visitors to call any telephone from their multimedia PC. A useful solution for customer support. |
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Paltalk - http://www.paltalk.com/
Operates with different chat systems such as ICQ and AIM, and enables live video calls. [Windows] |
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Visitalk.com - http://www.visitalk.com/
Free calls and chat anywhere in the world with NetMeeting or CU-SeeMe. Includes voice and video support. |
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WebPhone - http://www.webphone.com/
Use WebPhone software to call any phone, including mobile phones. |