VoIP Technology has open many gates in internet calling for people all around the world to make Free VoIP calls. Internet users all around the world can use VoIP to make PC To PC Calls absolutely free of charge. There is also number of VoIP providers who offers Free PC To Phone Calls. Many offers Mobile VoIP calling. Few use your phone service provider’s carrier to give you VoIP Calling all over the world. As it is an developing industry, many VoIP provider’s are coming in this field, and offering great services to be on top and get more users. Whatever is the reason, the internet and VoIP users are gaining benefits from these offers and can make free international calls to their friends, relatives or loved ones.

Following is the list of VoIP service providers which are been put in different categories as per their services through which internet users can make free VoIP Calls.

1. Make Free VoIP Calls Online: With this kind of VoIP service providers you do not need to register, just go their site enter your desired number and start making free calls.

A)     Google Voice:  It is actually one of famous and fastest VoIP service on internet launched by Google. You just need to sign in to your Gmail Account, download one small Google Voice plugin and start making free calls from USA and Canada phone numbers. You can also make free video calls to any of your Gmail contact. To make calls from any other countries you can check their calls rates. The good news is you can now use this service all around the world.

B)      iCall : You can make free 3 minutes phone calls from any part of world to USA And Canada.

C)      Evaphone: You can make 2 calls per day from this service. You just need to have headphone and internet connection to make the calls. Call duration vary country to country. No need of any kind of registration.

D)     FreeBuzzer: Make free internet calls with this service. Just select your country (mentioned in the site), number and desired calling country and number and start making calls to more than 40 countries.

E)      Tuitalk: It is very similar to Icall. You can make upto 3 free calls per day with this service. You can make these calls right from your browser or mobile phone. See the free calling minutes on this page.

2. Make Free PC To PC Calls: With this kind of Free VoIP calls, you need to install third party software of your system. You need internet, head phones, similar software user which is there in your list to receive call. The call can be made to unlimited number of times in a day. There are no duration restrictions too.

A)     Yahoo Messenger: One of the first and famous ways to make free PC to PC calls on internet. You can also make free pc to pc video calls. If you want to call phones or mobile numbers purchase credits to do so.

B)      Skype: Needs no introduction in the field of VoIP. Widely used network for making calls on internet. Make video conference calls, business VoIP calls, internet calls to friends by just searching their name in the list of Skype users. It is also one of the crystal clear VoIP service providers on net. You need to purchase credits to make phone and mobile calls.

C)      GTalk: A class service from Google to make free calls on internet. You just need to download the software and start making calls. It is also by default comes in Gmail. One can make video calls, voice calls and leave voice massages in mail with this service.

D)     Windows Live Messenger : It is one of the widely used messenger service on the planet. It also gives you options to make peer to peer voice and video calls.

E)      S-unno Formerly Mediaring: Good software to make free VoIP international calls through PC. You can enjoy calls with 5 users at a time, thus makes it makes an conference calls features also. No registration required to download VoIP software.

There are many more similar VoIP providers through which you can make VoIP calls on pc, some of them are written in next VoIP calling methods.

3. Free Betamax VoIP Service Providers To Make Free VoIP Calls: Betamax was founded in Germany in the year 2005 and provides many affordable and easy to use VoIP software for small business and residential VoIP. One can do cheap and free PC to Phone calls with Betamax VoIP service providers. Many such VoIP providers are very famous in users and do lot of VoIP solutions to make international unlimited VoIP calls all over the world. Mind you that you must be from the listed free countries to make these free online calls from these sites and also needs to purchase some credits. Some of them provide trial calls to test their services. You just need to download their VoIP softphone and register yourself to make these calls. It would be a long list to write in this article, so only some are taken which are famous and most used providers.

A)     Voipdiscount – Voipdiscount.com is one of the first and most used betamax voip service. One can download voipdiscount and install on his PC and make cheap and free international calls. Free calls can be make to Argentina, Australia, Austria, Belgium, Switzerland, Taiwan, Thailand (+mobile), United Kingdom etc. It also cheap calls to India which is only 0.9 us cents.

B)      Voipbuster – Voipbuster.com is also one of the famous and widely used calling options mostly in Middle East. One can get National and International local access numbers to call freely to other countries. You can also send free sms with this service.

C)      Voipwise – Free and unlimited calls can be made through VoipWise.com.  You can also download their mobile VoIP applications to make Mobile to Mobile VoIP Calls. This mobile VoIP app includes app for iPhone to make VoIP calls though iPhone mobile.

D)      Lowratevoip – Free international calls can be make on windows XP, MAC and Linux users through Low-rate Voip applications. You can also make free trail calls to test this service.

4. Ads Based Free Voip Calls Services: This kind of free calls service providers let users to watch one ad before the call is commenced. This kind of providers generates income from advertising they show before in between calls. Ads can be on different things and of different form. Sometimes it can be online deals; survey’s which generate revenue to the provider. Users need to signup, download with the service and make calls seeing ads or surveys.

A)     TuiTalk: It’s that easy. Download Tuitalk (tuitalker) on your PC Or Mobile Phone. Dial the desired calling number, watch ad and start making free calls.

B)      Humnut: Similar service like Tuitalk, just uses online deals to generate revenue.

5. Make Free Voip Calls Using Mobile VoIP: This is one of upcoming and famous way of doing free voip calls. You just need a smart phone with wi-fi or internet connections to make free mobile calls. There are almost all the VoIP service providers who are giving away Mobile application for Smart Phones like iPhone, Symbian mobile devices, Android enabled Mobile device and windows enabled mobile phones. Mobile Voip uses power of internet or wi-fi connection to make this calls, hence you just need to pay for internet and not for calls. There are various Mobile Voip Providers in the market, some are listed as under.

A)     Fring: One of the famous and widely used applications on mobile devices to make free international video, voice and group calls. You can do live chat from number of chat messengers as well as make calls with them, this include Skype, MSN Messenger, Google Talk, ICQ, SIP, Twitter, Yahoo! and AIM. Incase other user don’t have fring installed as well, you can try Fringout to make cheap calls. fring can be used on Symbian 8, 9.1, 9.2, Windows Mobile 5 & 6 and UIQ handsets. Now make free calls to all your skype, MSN, Google, Yahoo and AIM contacts without spending a dime using IM clients.

B)      Truphone: You can make free mobile calls by Nokia phones using Wi-fi connection with Truphone. It uses public hotspot WiFi connection to route calls over the internet. The other user most also have Truphone installed to make free calls. Otherwise you can select from their cheap VoIP plans to make cheap voip calls.

C)      MobiVoip: You can use mobivoip in two ways on your Palm OS operating system and PalmOne devices. One is by using leverage to their existing SIP based VoIP provider. The second is as an service through MobileVoip.

D)     Jajah : One can use Jajah by simply using internet connection, no need to install any software. One even don’t need to visit the site to make calls. Users can make cheap voip calls with Jajah.

There are also some sites which offer 1800 numbers, toll free numbers, DID Numbers through which one can make free internet calls. Though one can always see Free VoIP Calls Blog for new or existing Free Voip Service providers, which offer cheap or free calls to VoIP users all around the globe.