Credit addition for Gmail phone calls

you wish to add some credit for making phone calls via Gmail, you can follow given procedure:

1. Click the option Call phone under chat list.

2. Click on credit balance option on extreme right side of the Call window.

3. Now click on add credit option.

4. Under the window that appears, click on Add $10 credit option to add credit.

5. Now you can add credit through Google Wallet.