Method for managing comfortable value added services in telecommunication networks

process the operation more convenient value-added services in telecommunications networks, wherein a server device (telecommunications service agency server TSA) functional between at least one telecommunications network and at least one Service Provider (SP) is arranged such that the editing of the TSA electronically received from the SP data for the Telecommunications network associated with telecommunications customers under The involvement of stored customer-specific data makes and the telecommunications customers to conduct appropriate Authentication in the terminal presents and to reverse transmission when required, present selection of telecommunications customers a plausibility check subjects to also stored contractual terms and completes to turn custom data in case authorization and forwards them to the SP.