Telecommunications – Transmitter and receiver at same station – Radiotelephone equipment detail
Patent
1995-04-17
1998-07-07
Eisenzopf, Reinhard J.
Telecommunications
Transmitter and receiver at same station
Radiotelephone equipment detail
455575, 455425, H04B 138, H04M 100
Patent
active
057783217
ABSTRACT:
A procedure for automatically replacing a user identification module of a terminal in a communication network includes storing in a memory of the terminal a message indicating the detection of a problem with writing and/or reading the user identification module. A warning message is sent from the terminal to a control station of the terminal during the first exchange of information following detection of the problem. A database listing defective identification modules is updated at the control station. A procedure for sending a new identification module to the user of the terminal is initialized.
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patent: 5507009 (1996-04-01), Grube et al.
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patent: 5524276 (1996-06-01), Littig et al.
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French Search Report FR 9405256.
Echo Des Recherches, No. 139, Ilsy /Moulineaux, Fr, pp. 13-20, Jolie et al, "Une application de la ca microprocessor: Le module d'identite d'abonne du radiotelepohone numique europeen", Mar. 31, 1990.
Desblancs Eric
Jouin Christophe
Alcatel Mobile Communication France
Armstrong Darnell R.
Eisenzopf Reinhard J.
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