1. A method for utilizing a tiered flat rate pricing structure for at least one call in a packet network, comprising: servicing at least one call; and accounting said at least one call by associating said at least one call to a billing structure having at least three call-type categories, wherein a first call-type category comprises an on-net category, a second call-type category comprises an off-net domestic category, and a third call-type category comprises an off-net international category, wherein a call associated with said on-net category originates and terminates on said packet network, wherein a call associated with said off-net domestic category originates on said packet network and terminates on a domestic public switched telephone network (PSTN) network, and wherein a call associated with said off-net international category originates on said packet network and terminates on an international public switched telephone network (PSTN).