Remotely retrieving SIM stored data over a connection-less commu

Details Remotely retrieving SIM stored data over a connection-less commu Remotely retrieving SIM stored data over a connection-less commu

1996-03-28

1999-06-22

Chin, Wellington

Telecommunications

Transmitter and receiver at same station

Radiotelephone equipment detail

455466, 455550, 455412, 455418, 455419, H04Q 720, H04Q 732

Patent

active

059152257

ABSTRACT:
An SMS or USSD message encapsulating a request for Subscriber Identity Module (SIM) stored data is transported to the mobile station over a connection-less communications link such as a Stand-alone Dedicated Control Channel (SDCCH). An application module within the mobile station having access to the SIM card receives the request signal, retrieves the requesting information from the SIM card, and re-transmits it back to the requesting party. In order to facilitate proper return to the requesting party, if an SMS message is used, a return address is encapsulated into the transmitted SMS message for future reference. The serving mobile switching center (MSC) receives the transmitted message encapsulating the requested subscriber data and routes the received data to the original requesting party.

REFERENCES:
patent: 5127040 (1992-06-01), D'Avello et al.
patent: 5297192 (1994-03-01), Gerszberg
patent: 5351235 (1994-09-01), Lahtinen
patent: 5353328 (1994-10-01), Jokimies
patent: 5404580 (1995-04-01), Simpson et al.
patent: 5455964 (1995-10-01), Roos et al.
patent: 5487180 (1996-01-01), Ohtake
patent: 5497505 (1996-03-01), Koohgoli et al.
patent: 5633484 (1997-05-01), Zancho et al.
patent: 5689547 (1997-11-01), Molne
patent: 5742910 (1998-04-01), Gallant et al.

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