Patent ID: 7286817

Claim:
A system for acknowledging that a message sent by a sender terminal ( 1 ) and received by a destination mobile terminal ( 2 ) has been read, the system comprising: a sender terminal and a destination mobile terminal, wherein said sender terminal ( 1 ) comprises: means for providing an identifier of the destination mobile terminal ( 2 ) for the message; means for generating text of the message to be sent; and means for specifying at least one parameter defining a communication method to be used for sending a read acknowledgment message; and wherein said mobile terminal ( 2 ) comprises: means for displaying the text of the message sent by the sender terminal ( 1 ); and means for allowing a user of said destination mobile terminal ( 2 ) to acknowledge that said message has been read, causing the read acknowledgment message to be sent using said communication method specified for sending the read acknowledgment message; wherein said at least one parameter comprises an identifier of a destination terminal for the read acknowledgement message.