12Voip is free Portable Voice Over IP software (Internet Phone). Like many other VOIP products, it enables a computer user with internet access to have superb high quality voice conversations with friends and relatives from all over the world. Using this 12Voip tool, you can call landlines or even mobile cell phones for free * in the USA and many other Countries, using only a computer and an internet connection. You can also call online friends using "peer-to-peer calls". This application requires roughly 9.85MB for completely portable stand alone installation.
Screenshot of 12VOIP running portably from USB:
Authors Website: 12voip.com
License: N/A (Free to Use)
* There is one limitation: - maximum per call duration of 60 minutes
How to make 12VOIP Portable (standalone):
- Download the setup12voip.exe
- Click setup12voip.exe and install to your Computer
- Copy the C:\Program Files\12Voip.com\12Voip folder to your Flash Drive
- Click 12voip.exe from the 12Voip folder to launch the program
Note: You can uninstall 12Voip from your PC once you have copied the folder to your Flash Drive.