Make Free calls to India and whole world

Here is a new hack (Posted by Hardik) to call India for free. And not only India but call anywhere in the world for free.
Talk with your loved ones for as long as you want with new hack to call the world for free!
Follow the steps to make free calls

Step 1: Getting a SIP based USA number

Sign up for calldigits (https://myaccount.calldigits.com/signup/). Select the third option(free account). After signing up you will receive an email to activate your account.
After activating the account you will receive an email with your calldigits number.

Step 2: Setting the softphone to make outgoing calls.

Download softphone at http://www.nch.com.au/talk/. Download the Talk Basic version.
While installing you may uncheck all the related programs as we don't need them.
Click next in all the setting page.
During the account setup process select "Yes, I already have a sip account".
In the next page Enter the sip details as follows
Friendly Display name: Anything
Sip account number: "Enter the number u received in Step 1(e.g. 6413885049)
Sip Server: talkdigits.net
Sip password: The password you chose in step 1

Step 3: Sing up on sendglobal.com

Go to www. sendglobal.com
Sing up for trial with following details
Promo code: 3XRG3
Phone number: The number you got in step 1
Activate your account

Step 4: Calling

Open the Express Talk software installed in Step 2
Enter the number: 7348873737
Upon answering the call it'll say that your account balance is 3$ and then it'll ask for the number you wish to call. Enter the number in format 011+Country code+Phone number
You will get around 20 minutes of talktime for India with each account.
After you finish with one account.
Follow step 1 and get another number(you can use same email account everytime)
For step 2 you can simply change the phone number in existing setup. Just click File-->Options-->Lines tab-->and replace the existing SIP number with the new number.
For step 3 you can use the same email account again and again