Nokia Mobile Phones Limited

Oy Nokia Ab

Behruz Vazvan

Janne Jormalainen

The invention relates to a mobile communication entity, which combines several mobile communication networks, which can be part of different mobile communication systems ( ), and in which a mobile terminal can operate and establish connections to a receiver via said mobile communication networks. The mobile terminal selects a first mobile communication network based on a certain criterion or criteria, and establishes a first connection to the receiver using the first mobile communication network. After that the mobile terminal selects a second mobile communication network based on a certain criterion or criteria and establishes a second connection to the receiver. After the second connection has been successfully established, the mobile terminal disconnects the first connection.

Multimode universal mobile telecommunications system

The invention relates to a system for monitoring mobile telecommunications in a multi-operator environment. The system of the invention comprises at least one user control station (UCS) comprising a home location register (HLR) containing a unique subscription number (USN) and other required subscriber data, and an account control unit (ACU) containing the subscriber's credit information. The home location register (HLR) and the account control unit (ACU) are interconnected in order for the home location register (HLR) to be able to check the credit information of the calling subscribers in response to requests from the network operators and correspondingly to debit the subscribers' accounts on behalf of the operators by the charge of the calls made. The invention is characterized in that the visitor location register (VLR) or the user control station (UCS) can allocate several temporary numbers (TN) to each terminal.

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Espoo, Finland

Behruz Vazvan