Abstract: Systems, apparatuses and methods for providing the identity of communication device users who initiate communications from data networks such as the Internet and that are targeted for users in circuit-switched domains. A calling party identifier is received from a calling terminal initiating a voice call. A circuit-switched (CS) domain identifier is associated with the calling party identifier. The association of CS domain identifier and calling party identifier is provided to a targeted terminal, which may store the associated information. The voice call and the CS domain identifier associated with the calling party identifier are thereafter directed from the calling terminal to the targeted terminal. The targeted terminal may then identify the calling party using the CS domain identifier to identify the associated calling party identifier.

Abstract: To diversify the calculation of advice of charge, a price definition element (AoC-I) is maintained in a telecommunications system. In order to use the correct price definition element (AoC-I), an indication of the price definition element (AoC-I) to be used in calculating the advice of charge of a service is associated with the service. The advice of charge of the service is calculated by the indicated price definition element (AoC-I).