A free VoIP provider is an Internet phone company that offers free VoIP call. Usually, it allows you to make calls to specific countries; for instance, to Canada and the USA. As it is impossible to give away freebies globally. When you try to call to countries especially in Asia or Africa, You will incur some charges (small fee on per minute basis/PAYG (Pay As You Go) sometime monthly plan).
Skype is the most renown and powerful VoIP soft-phone used by millions of people around the world. Founded in 2003 by Skype Communications SARL; the company has been acquired by Microsoft in 2010.
Products, Services & Solutions:
✓ Free Instant Messaging ✓ Audio Calls ✓ Video Calls
✓ Online meetings ✓ Sharing ✓ Office integration
Plans & Pricing:
Skype to Skype = Free
Skype-out = Pay As You Go
Business - Visit Skype link
Details & Links:
To read more about this provider, rate and write a review visit Skype page.
Google Voice a free VoIP service call offered by Google Inc. Yes, Mr. Google did get into VoIP space few years ago. With this service initially known as 'Call from Gmail', you make free calls to the United States and Canada. Plus other features. See details below.
To read more about this service, there's a google voice page dedicated. Check it out.
FreePhoneLine.ca provides free PC to phone call service to major Canadian cities. It's a media-based soft-phone application that allows users to register a free phone number and place/receive calls. Users can also forward their calls to another phone line across Canada.
Freephone line is now powered by Fongo (which owned by Fibernetics Corporation)
Fongo Home Phone - $4.95 monthly fee (here is when it becomes not FREE but cheap) You will either purchase a VoIP adapter or configure with their server if you already have one. See FPL link below for more details