When I buy RingVoz services, I Activated permanent Contract with you?

No, services Ringvoz have no permanent contract, If you purchase a prepaid service will be active at all times that your account has balance, on the contrary, acquires a service monthly payment, you must cancel report 30 days before it is generated automatically payment. If you have questions you can contact the customer service department at +1 786.533.1110 1110 and an agent will help you.