First of all, all your account data is available online in your client area.
You can access your invoices, your payment history, your call log and much more.
You can access your account here:
https://secure.voxsun.com/billing/
If you have any additional questions, you can contact the billing department at billing@voxsun.com
Do you want to get a great quote with our latest deal? It will only take a few minutes, click here:
https://www.voxsun.com/offer/form_en.html