You will probably pay more for phone calls, knowing that the Android application, designed for you to make Voice over Internet Protocol (VoIP). If you call someone with a compatible service plan and the corresponding data calls are free. Known as the Truphone application is to install the 'Android Market. After downloading, run the application and then create a new account name and password. Enter a valid email address and then click Create. You will be notified that the application has not been tested on the mobile device, and some features may not work normally, ignore it and click OK to continue.

You are presented with a mobile phone, like the keyboard on the touch screen Truphone marker. Dial a number by pressing the buttons or select a contact from your contact list and press the green call button. The call is routed over the Internet and therefore, calls to regular phone numbers will be cheaper than a normal call in most networks, especially international. You must register with Truphone and purchase of credits for calls and the rest will be displayed in the lower left corner of the screen is adjusted after each call ends.

If you connect your Android phone to Wi-Fi, you can call other Truphone users, with other services such as Skype and GoogleTalk for free. To access the on-screen keyboard, click the field number in the dialer. Truphone Enter the name of the person you wish to contact and press Call. But there is no way to identify which of your Truphone contacts are on, so you'll ask for their username to enter.

If you wish to contact the users of Skype and GoogleTalk via Wi-Fi in the same way, you will need to add these IM accounts to your list of services within the Truphone about.

VoIP To add more contacts to the right when the dialer screen and select IM. Select Add an instant messaging service from the dropdown menu of options, MSN, AIM, Skype or Google Talk, but keep in mind that only the last two currently support voice. Login to your account and click Add and instant messaging services on the Services tab, you will see an icon for the newly added service and the sign of choice. Select the chat tab to view the contacts to the additional services to those currently available highlighted in green.

You can now start calling your friends on Skype or Google that are available. All you have to do is click a contact name and a text box and a keyboard on the screen is displayed. Write and send your friend an instant message, or better yet you can call them. To do this, press the Menu button to bring up the option. Truphone press and start talking.

For international calls, Truphone makes them, and they also become cheaper. Your call is redirected to a local access number Truphone Anywhere, which will be completed by the server. The screen will display "Call Setup" when you call and a voice that says you will be able to use Truphone Anywhere, but if you do not hang up your Android.