Telephonic communications – Audio message storage – retrieval – or synthesis – Message management
Reexamination Certificate
2008-04-08
2008-04-08
Gauthier, Gerald (Department: 2614)
Telephonic communications
Audio message storage, retrieval, or synthesis
Message management
C379S210030, C455S415000, C709S206000
Reexamination Certificate
active
07356133
ABSTRACT:
Method for anonymously transmitting a message by means of a telecommunication network. A first exchange (2) between the sender (1) and the receiver (4) of said message replaces identifying features (MSISDN) of the sender (1) of the message by a first alias identification (CID). The conversion between the said identifying features (MSISNDN) and the first alias identification (CID) is permanent, or at least secure for several weeks.The first alias identification (CID) is replaced by a second alias identification (CMID) at the receiver (4) or in a further exchange (3). The second alias identification (CMID) enables the receiver to identify the transmitter.
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Samfat, D. et al: Untraceability in Mobile Networks, Mobicom, Proceedings of the annual International Conference on Mobile Computing and Networking, Nov. 13, 1995.
Lagadec Roger
Lauper Eric
Gauthier Gerald
Pearne & Gordon LLP
Swisscom Mobile AG
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