STEP1: On your Dashboard page, click on the button, Buy Package.
STEP2: The following screenshot will be displayed:
DESCRIPTION OF FIELDS ABOVE:
CURRENCY: This is set as International - USD- PayPal.
PACKAGE: Select the package you would like to purchase. The options are shown in the screenshot below:
SMS BUNDLES: Select the amount of amount of SMSes you would like to purchase
Click on Secure Checkout
You will then be re-directed to confirm your paypal details.