Method for billing local communication services provided by an i
Method for billing multiple services on a single account
Method for calculating advice of charge
Method for call forwarding without hairpinning and with...
Method for call forwarding without hairpinning and with...
Method for call set-up and a telecommunication system
Method for charging in one number links you service
Method for controlling a credit customer call
Method for controlling subscriber access to a fee-based service
Method for converting a three-party telecommunications...
Method for correcting call detail record files
Method for correcting call detail record files
Method for creating and modifying similar and dissimilar...
Method for determining an entity responsible for billing a...
Method for determining an optimum point for database queries dur
Method for divisional billing and device thereof
Method for enabling a transaction between a terminal user and a
Method for enabling communications between calling an called mul
Method for establishing customized billing arrangements for a ca
Method for flexible charging of fees for services and...