: Purchasing credit usually grants you "Freedays" (often 90 or 120 days), during which calls to certain "free" destinations are completely free of charge, up to a weekly limit.
: If you use the JustVoIP app on Android or iOS, you can often top up directly through in-app purchases linked to your Google Play or Apple ID account. justvoip buy credit
: While the credit itself typically doesn't expire quickly, your "Freedays" will. Once they run out, you will be charged the standard low rate for those destinations until you top up again. : Purchasing credit usually grants you "Freedays" (often