Patent ID: 9736676
Date: 2017-08-15
CPC Classifications: H04L,H04W

Claim:
1. A method of controlling access to a cellular communication network, for a terminal (MT) identified by a terminal identifier (IMEI) with a respective subscription identified by a subscription identifier (IMSI), the cellular communication network comprising at least one cellular network communication module, at least one database (DB) recorded in data storage means and at least one switching center module (MSC) through which the terminal (MT) is intended to access the cellular communication network, the method comprising the following steps performed by means of at least one processor: creation of at least one record, in the at least one database (DB) being recorded in data storage means, wherein the step of creating the record in the database (DB) is automatically done at the time of a first attempt at connection of the terminal (MT) and of the respective subscription, the record thus created comprising a plurality of subscription identifiers comprising at least one subscription identifier (IMSI) of said subscription associated with a plurality of terminal identifiers comprising at least one terminal identifier (IMEI) of said terminal (MT), the plurality of terminal identifiers of the record being formed by at least one of one or more terminal identifiers, one or more terminal identifier ranges, and one or more terminal identifier prefixes (TAC), each prefix being deemed to comprise all the terminal identifiers beginning with said prefix (TAC), when the terminal (MT) attempts to access the cellular communication network: at least one of authorization of access and refusal of access of said terminal (MT) to said network according to the result of the verification step: