Telecommunications system
2 Assignments
0 Petitions
Accused Products
Abstract
In a telecommunications system such as a global mobile telephone network in which each subscriber unit includes a Subscriber Identity Module (SIM card), each SIM card has fixed memory locations, to which data can be addressed over the air. Some of the locations can not be overwritten from the subscriber unit but can be accessed therefrom on the entry of short simple codes, each associated with one of the locations. Further fixed memory locations can be read over the air only when the subscriber enters a personal identification number. Locking control files are used to control read/write access to the locations respectively.
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Citations
47 Claims
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1-29. -29. (canceled)
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30. A wireless telecommunications system, comprising:
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a mobile telephone wirelessly linked to a host station and able to receive a SMS test message and an embedded SMS command message transmitted by the host station; a removable module coupled to the mobile telephone that receives the SMS text message and the embedded SMS command message, said module comprising; a plurality of identifiable memory locations; a filter configured to distinguish the SMS test message from the embedded SMS command message; a decoder coupled to the filter decoding the embedded SMS command message and further configured to respond to the command to undertake appropriate processing of data contained in the SMS command message; and a display disposed within the mobile telephone in electrical communication with the module adapted to display SMS text data. - View Dependent Claims (31, 32, 33, 34, 35)
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36. A removable module connectable to a mobile telephone, said module comprising:
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a multiplicity of fixed memory locations; a filter coupled to the multiplicity of fixed memory locations that distinguishes a first message coded in a first format and a second message coded in a second format; and a decoder coupled to the filter that decodes the second message and executes an action based on the decoded data contents. - View Dependent Claims (37, 38, 39, 40, 41)
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42. A method of commanding a mobile telephone in a telecommunications system, comprising the steps of:
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receiving at a mobile telephone a message coded in a specific format, distinguishable from other message formats used in the telecommunications system, transmitted from a host station, and said message comprising a command for data handling and associated data for the command; distinguishing the message coded in the specific format from the other message formats using a removable self-contained microprocessor; and responding to the command data according to the decoded command. - View Dependent Claims (43, 44, 45, 46)
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47-50. -50. (canceled)
Specification