Siemens Aktiengesellschaft

Jens Lehmann

Jens Schendel

Frank Burghardt

Bertolt Eicke

The invention relates to a method for transferring messages between communication terminals, including a control computer controlling message transfer which transfers a token to a first communication terminal and grants the first communication terminal authorization to transmit a message, and transfers a reservation message to a charging system, which asks the charging system to reserve resources for charging for the transfer of the message. After receiving the token, the first communication terminal starts to transmit the message, which is addressed to a second communication terminal, and portions of the message which have been transmitted by the first communication terminal are transferred to the control computer and are buffer-stored therein, and after receiving a reservation confirmation message transferred to the control computer by the charging system upon successful reservation the control computer transfers the message to the second communication terminal.

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Falkensee, Germany

Jens Lehmann