Calls to the mobile phone can cost you a lot, but now comes the Internet, the phone will be free. If you have an iPhone, there is a named Skype, which allows for VoIP.
This application is already famous for Skype, computer and telephone to participate, and probably the best VoIP application for iPhone.
But now a new app on iTunes, the Viber iPhone Application to compete with free and great sound quality through the 3G and Wi-Fi network. This app is to save at least 90% of the regular cost. It also allows you to unlimited free international calls to other iPhone users Viber
After installing the app, you should make the phone because it does not require registration. The caller uses Viber contacts and favorites list exists on the iPhone, even to regular calls or RTGS for approx. Overall, this alternative may want to install Skype application for the iPhone.
RTGS Features: Why, if Viber against other VoIP solutions
1. No hidden costs: If you and your friends Viber install the free application, you can use it to talk (and soon the text) as you want. All you need is an Internet connection: 3G or Wi-Fi where available.
2. No International Fee: You can make international VoIP calls are free. Just make sure that your friends can Viber.
3. No registration is required: Viber use the phone number as the “identity”, and allows you to make free VoIP calls to any friends that are Viber using the phone number.
4. Not Buddy List: Viber automatically highlights the iPhone’s address book for friends, which Viber. So you know who to call for free!
5. You can always get a call Viber: If the phone is switched on, always ready to make and receive phone calls. You do not need to sign in, or “go online” to receive a call.
6. Friends do not need it: Unlike Skype, Windows Live Messenger or the Fringe, where you have to “add friends” and were approved by you, Viber acts like a phone. Like you do not need to “add” someone to call them, you will not be added to your friends to invite them Viber. If you know their phone number, then you know that Viber number, and off you go!
7. Missed Call Notifications: Even if you missed a call because the iPhone was connected to the RTGS, or there was no service, Viber notification of missed calls, once the service is restored.
8. Sound quality: RTGS sound quality is much better than the GSM or the traditional phone call.