It will be a dream come true for some people to talk to their friends and family member s around the world for free. No matter what it is free is always good. Here are some of the services that you might use to make free calls over the internet. These services fell into categories.
1) PC software applications made available for free or low-cost that enable PC to PC phone calls over VOIP.
2) VOIP service providers that allow free PC to PC phone calls as a lead-in to their paid services (such as PC to landline or mobile numbers).
The VoIP services are compatible with the operating services, windows or MAC.
Now let us see the see two categories in a broad explanation.
The first ones are mostly the free softphone apps. You can download these apps for free from the internet. These softphohe apps are both freeware and shareware. You can purchase those apps and install them on your PC or they are available for free also, so you can download them directly form the internet and install and get connected. The common thing that is required is that the both people must have the same softphone to make free calls. You will need a mic to talk and a headset to listen. Even if you do not have a headset you will be able to listen on the speakers that you have attached with your PC or the built in ones.
You can also use chat messengers to make free calls, they are not just for chatting you can make call by pressing the call button. The VoIP ahs a lot of benefits also, many services are for free that are not offered in the traditional landline phones, but you can experience them in the softphone.
Another way is to get a free PC softphones allowing free PC to PC VoIP calls. With these you can also get many other features that might not be present in the messengers, such as you cannot do the conference videos on Yahoo, but you can do it on Skype. Conference calls are a good way to communicate.