Below is the guide lines
Step 1 - > Click below to go to your client area

http://my.virtualglobalphone.com/clientarea.php
Login with your email address and password mentioned by you in the profile during sign up

Step 2 -> you will see a screen as below link
http://www.virtualglobalphone.com/payment/viewInvocei.JPG
click on the corresponding invoice you would like to make the payment.

Step 3 -> you will see a screen similar as below
http://www.virtualglobalphone.com/payment/invoice.JPG

Now click on the PayPal / Stripe icon

Step 4 -> A new window will open and redirects to PayPal / Stripe website
you will see a screen as below. http://www.virtualglobalphone.com/payment/CreditCard.JPG

Steps 5-> Now choose either to pay by your Credit card or by PayPal account and give in your details.