IndiaTalk is a voice calling app. If you want to call a friend, your phone number is required. This is because the service provides calls to you. 

IndiaTalk is a free calling app for Android operating systems. It allows you to make high-quality voice calls worldwide at no cost. All you need is to install the app and use it to make calls.

With IndiaTalk you can choose your country, the number you want to call, and then choose your friend or family.

Once you have chosen the number you want to call, you need to give the number to IndiaTalk and click on 'Connect'.

How can I send an SMS?

To send an SMS, select a contact and compose your text message. When the SMS is sent, it can be received by the people you have selected.