In the menu tab Billers, specifics of the Biller can be entered and changed, for example logo and static invoice content.
Invoice content: the common use of the invoice blocks is shown in the screen shot below.
The invoice number label can be set here. For example Tax Invoice or Statement
The currency used for biller’s tax payments, if left blank the taxes will show in the customer’s currency only.
The number of decimals to use when calculating CDR prices and charges.