| 摘要 |
Telecommunication systems for transporting information from a sender to a receiver can protect said information against becoming available to at least one third party. By introducing at least two modes for protecting said information according to different protective ways in dependence of at least control information originating from said sender, the system offers more options, especially in case said sender is charged in dependence of the mode selected. By introducing said control information in the form of an economic value, the system is more userfriendly, and offers insuring possibilities in case a predefined value is returned to said sender as soon as a loss of said information or a leak in the protection of said information is detected. Preferably, said predefined value is a function of said economic value.
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