The various payment methods used are credit/debit cards, bank transfers, virtual accounts, ovo, owlexa, and IMkas.
If you use a payment gateway, then follow the SOF policy, with assistance from Indosat Ooredoo who communicates to the Payment Gateway after receiving a report from Indosat Ooredoo's customer care through the Hospital.
Can re-do payment transactions, if still unable to contact the available call center.