Patent ID: 8391853

Claim:
A method of operating a cellular mobile wireless network onto which mobile wireless terminals may log in order to use the services of the mobile wireless network, each mobile wireless terminal logged onto the mobile wireless network being uniquely identified by a subscriber identity, the method comprising the steps of: comparing the subscriber identity of a logged-on mobile wireless terminal to a list of enabled subscriber identities, if there is a match, enabling use of the services of the mobile wireless network for the mobile wireless terminal, if the subscriber identity does not match the list of enabled subscriber identities, blocking use of the services of the mobile wireless network for this subscriber identity or for this mobile wireless terminal, identifying each wireless cell with respect to each mobile wireless terminal that is logged onto the cell via a cell global identification that contains a network identifier that is not used by other mobile wireless terminals, and setting up a roaming network configuration with other mobile wireless networks in such a way that mobile wireless terminals associated with other mobile wireless networks may log onto the mobile wireless network.