Netmeeting is a free VOIP application from Microsoft that works with all current versions of windows. Netmeeting even comes installed as part of Windows with the latest versions. If Netmeeting is not part of your OS install, you may download it from Microsoft for free. Minimum requirements are as follows:
- 90 MHz processor or faster
- 24 mb Memory minimum
- 4 MB free disk space on your hard drive
- Internet Explorer 4.01 or later
- Sound Card, speaker(s) and microphone
- Internet Connection - minimum 28.8k connection speed
Netmeeting is a little more complicated to setup and operate than Skype, but you can also using it for videoconferencing. You just need to add a video camera and capture card, plus have a minimum of 56k internet connection speed.
Set up Netmeeting from within Windows or Download it from Microsoft. We found a great tutorial for configuring and using Netmeeting.
Vonage offers another VOIP solution.