PIU Configuration in VoIP Billing for Resellers
PIU configuration in VoIP looks like a back-office setting, but it is really a margin decision. Percent Interstate Usage determines how much Universal Service Fund contribution and federal regulatory fee you collect and remit on every invoice, and most billing systems bury it behind a fixed default. This guide explains what PIU is, how the FCC safe harbor works, why a hard-coded percentage quietly costs resellers money at today’s record contribution factor, and how ViiBE lets white-label partners set their own percent interstate usage. It is written for MSPs and telecom resellers who would rather bill from their actual traffic than from a one-size-fits-all assumption.
