System and method for real-time billing in a radio telecommunica

System and method for real-time exchange of customer data betwee

System and method for real-time reporting of advertising...

System and method for reconciling billing mismatch

System and method for reconciling billing mismatch

System and method for recording billing information for a teleco

System and method for reducing toll charges to a customer...

System and method for reducing toll charges to a customer...

System and method for reducing toll charges to a customer...

System and method for reporting calls

System and method for reverse billing of a telephone call

System and method for roaming billing

System and method for special call detection and billing...

System and method for statistical diagnosis of the operation of

System and method for unified telephone and utility consumption

System and method of billing a predetermined telephone line...

System and method of collecting, correlating and storing...

System and method of validating special service calls having dif

System and method to determine and deliver quotes for...

System and method to determine and deliver quotes for...