Method and apparatus for utilizing a tiered flat rate...

Method and apparatus for validating pre-pay and post-pay...

Method and apparatus for viewing real time telephone charges

Method and apparatus in a communications system for...

Method and apparatus to provide pay-per-call performance...

Method and apparatus to provide pay-per-call performance...

Method and apparatus to validate a subscriber line

Method and device for charging during data communication time in

Method and device for variable, current rate signalling of in-ba

Method and switching device for billing telecommunications...

Method and system for a multiple line long distance discount...

Method and system for accounting communication charges

Method and system for accounting of services

Method and system for accumulating call prepayment

Method and system for allowing extended connections to...

Method and system for analyzing and preparing an optimum...

Method and system for assigning a communication to a preferred c

Method and system for automatically providing a customer...

Method and system for billing remote calls as if made from a...

Method and system for billing remote calls as if made from a...